Home / 242,671.03-334,895.70-135,240.10

Finding the Fourth Proportional to 242,671.03, 334,895.70 and 135,240.10

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Solution

The fourth proportional to 242,671.03, 334,895.70 and 135,240.10 is: 186,636.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,671.03 : 334,895.70 = 135,240.10 : x
  2. Step 2: Convert to fraction form
    242,671.03/334,895.70 = 135,240.10/x
  3. Step 3: Cross multiply
    242,671.03x = 334,895.70 × 135,240.10
  4. Step 4: Simplify right side
    242,671.03x = 45,291,327,957.57
  5. Step 5: Solve for x
    x = 45,291,327,957.57/242,671.03
  6. Step 6: Final answer
    x = 186,636.73

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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.