Home / 112,520.64-155,279.52-62,220.48

Finding the Fourth Proportional to 112,520.64, 155,279.52 and 62,220.48

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Solution

The fourth proportional to 112,520.64, 155,279.52 and 62,220.48 is: 85,864.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,520.64 : 155,279.52 = 62,220.48 : x
  2. Step 2: Convert to fraction form
    112,520.64/155,279.52 = 62,220.48/x
  3. Step 3: Cross multiply
    112,520.64x = 155,279.52 × 62,220.48
  4. Step 4: Simplify right side
    112,520.64x = 9,661,566,268.57
  5. Step 5: Solve for x
    x = 9,661,566,268.57/112,520.64
  6. Step 6: Final answer
    x = 85,864.84

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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.