Home / 242,715.60-334,906.92-135,262.16

Finding the Fourth Proportional to 242,715.60, 334,906.92 and 135,262.16

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Solution

The fourth proportional to 242,715.60, 334,906.92 and 135,262.16 is: 186,639.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,715.60 : 334,906.92 = 135,262.16 : x
  2. Step 2: Convert to fraction form
    242,715.60/334,906.92 = 135,262.16/x
  3. Step 3: Cross multiply
    242,715.60x = 334,906.92 × 135,262.16
  4. Step 4: Simplify right side
    242,715.60x = 45,300,233,398.15
  5. Step 5: Solve for x
    x = 45,300,233,398.15/242,715.60
  6. Step 6: Final answer
    x = 186,639.15

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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.