Home / 242,270.28-334,329.64-134,840.35

Finding the Fourth Proportional to 242,270.28, 334,329.64 and 134,840.35

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Solution

The fourth proportional to 242,270.28, 334,329.64 and 134,840.35 is: 186,077.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,270.28 : 334,329.64 = 134,840.35 : x
  2. Step 2: Convert to fraction form
    242,270.28/334,329.64 = 134,840.35/x
  3. Step 3: Cross multiply
    242,270.28x = 334,329.64 × 134,840.35
  4. Step 4: Simplify right side
    242,270.28x = 45,081,125,672.97
  5. Step 5: Solve for x
    x = 45,081,125,672.97/242,270.28
  6. Step 6: Final answer
    x = 186,077.82

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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.