Home / 242,138.43-334,146.47-134,708.13

Finding the Fourth Proportional to 242,138.43, 334,146.47 and 134,708.13

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Solution

The fourth proportional to 242,138.43, 334,146.47 and 134,708.13 is: 185,894.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,138.43 : 334,146.47 = 134,708.13 : x
  2. Step 2: Convert to fraction form
    242,138.43/334,146.47 = 134,708.13/x
  3. Step 3: Cross multiply
    242,138.43x = 334,146.47 × 134,708.13
  4. Step 4: Simplify right side
    242,138.43x = 45,012,245,446.26
  5. Step 5: Solve for x
    x = 45,012,245,446.26/242,138.43
  6. Step 6: Final answer
    x = 185,894.68

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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.