Home / 112,722.52-155,561.92-62,421.52

Finding the Fourth Proportional to 112,722.52, 155,561.92 and 62,421.52

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Solution

The fourth proportional to 112,722.52, 155,561.92 and 62,421.52 is: 86,144.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,722.52 : 155,561.92 = 62,421.52 : x
  2. Step 2: Convert to fraction form
    112,722.52/155,561.92 = 62,421.52/x
  3. Step 3: Cross multiply
    112,722.52x = 155,561.92 × 62,421.52
  4. Step 4: Simplify right side
    112,722.52x = 9,710,411,500.52
  5. Step 5: Solve for x
    x = 9,710,411,500.52/112,722.52
  6. Step 6: Final answer
    x = 86,144.38

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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.