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Finding the Fourth Proportional to 242,175.18, 334,171.65 and 134,737.59

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Solution

The fourth proportional to 242,175.18, 334,171.65 and 134,737.59 is: 185,921.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,175.18 : 334,171.65 = 134,737.59 : x
  2. Step 2: Convert to fraction form
    242,175.18/334,171.65 = 134,737.59/x
  3. Step 3: Cross multiply
    242,175.18x = 334,171.65 × 134,737.59
  4. Step 4: Simplify right side
    242,175.18x = 45,025,482,767.32
  5. Step 5: Solve for x
    x = 45,025,482,767.32/242,175.18
  6. Step 6: Final answer
    x = 185,921.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.