Home / 112,512.39-155,266.70-62,211.39

Finding the Fourth Proportional to 112,512.39, 155,266.70 and 62,211.39

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Solution

The fourth proportional to 112,512.39, 155,266.70 and 62,211.39 is: 85,851.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,512.39 : 155,266.70 = 62,211.39 : x
  2. Step 2: Convert to fraction form
    112,512.39/155,266.70 = 62,211.39/x
  3. Step 3: Cross multiply
    112,512.39x = 155,266.70 × 62,211.39
  4. Step 4: Simplify right side
    112,512.39x = 9,659,357,227.71
  5. Step 5: Solve for x
    x = 9,659,357,227.71/112,512.39
  6. Step 6: Final answer
    x = 85,851.50

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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.