Home / 112,710.08-155,540.18-61,726.16

Finding the Fourth Proportional to 112,710.08, 155,540.18 and 61,726.16

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Solution

The fourth proportional to 112,710.08, 155,540.18 and 61,726.16 is: 85,182.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,710.08 : 155,540.18 = 61,726.16 : x
  2. Step 2: Convert to fraction form
    112,710.08/155,540.18 = 61,726.16/x
  3. Step 3: Cross multiply
    112,710.08x = 155,540.18 × 61,726.16
  4. Step 4: Simplify right side
    112,710.08x = 9,600,898,037.11
  5. Step 5: Solve for x
    x = 9,600,898,037.11/112,710.08
  6. Step 6: Final answer
    x = 85,182.25

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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.