Home / 112,320.13-155,008.08-61,337.59

Finding the Fourth Proportional to 112,320.13, 155,008.08 and 61,337.59

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Solution

The fourth proportional to 112,320.13, 155,008.08 and 61,337.59 is: 84,649.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,320.13 : 155,008.08 = 61,337.59 : x
  2. Step 2: Convert to fraction form
    112,320.13/155,008.08 = 61,337.59/x
  3. Step 3: Cross multiply
    112,320.13x = 155,008.08 × 61,337.59
  4. Step 4: Simplify right side
    112,320.13x = 9,507,822,057.73
  5. Step 5: Solve for x
    x = 9,507,822,057.73/112,320.13
  6. Step 6: Final answer
    x = 84,649.31

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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.