Home / 112,686.70-155,507.64-62,385.70

Finding the Fourth Proportional to 112,686.70, 155,507.64 and 62,385.70

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Solution

The fourth proportional to 112,686.70, 155,507.64 and 62,385.70 is: 86,092.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,686.70 : 155,507.64 = 62,385.70 : x
  2. Step 2: Convert to fraction form
    112,686.70/155,507.64 = 62,385.70/x
  3. Step 3: Cross multiply
    112,686.70x = 155,507.64 × 62,385.70
  4. Step 4: Simplify right side
    112,686.70x = 9,701,452,976.75
  5. Step 5: Solve for x
    x = 9,701,452,976.75/112,686.70
  6. Step 6: Final answer
    x = 86,092.26

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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.