Home / 112,336.56-155,024.52-61,350

Finding the Fourth Proportional to 112,336.56, 155,024.52 and 61,350

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Solution

The fourth proportional to 112,336.56, 155,024.52 and 61,350 is: 84,663.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,336.56 : 155,024.52 = 61,350 : x
  2. Step 2: Convert to fraction form
    112,336.56/155,024.52 = 61,350/x
  3. Step 3: Cross multiply
    112,336.56x = 155,024.52 × 61,350
  4. Step 4: Simplify right side
    112,336.56x = 9,510,754,302
  5. Step 5: Solve for x
    x = 9,510,754,302/112,336.56
  6. Step 6: Final answer
    x = 84,663.04

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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.