Home / 242,411.68-334,557.45-139,083.70

Finding the Fourth Proportional to 242,411.68, 334,557.45 and 139,083.70

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Solution

The fourth proportional to 242,411.68, 334,557.45 and 139,083.70 is: 191,952.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,411.68 : 334,557.45 = 139,083.70 : x
  2. Step 2: Convert to fraction form
    242,411.68/334,557.45 = 139,083.70/x
  3. Step 3: Cross multiply
    242,411.68x = 334,557.45 × 139,083.70
  4. Step 4: Simplify right side
    242,411.68x = 46,531,488,008.57
  5. Step 5: Solve for x
    x = 46,531,488,008.57/242,411.68
  6. Step 6: Final answer
    x = 191,952.34

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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.