Home / 90,865.62-136,253.27-57,560.45

Finding the Fourth Proportional to 90,865.62, 136,253.27 and 57,560.45

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Solution

The fourth proportional to 90,865.62, 136,253.27 and 57,560.45 is: 86,312.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,865.62 : 136,253.27 = 57,560.45 : x
  2. Step 2: Convert to fraction form
    90,865.62/136,253.27 = 57,560.45/x
  3. Step 3: Cross multiply
    90,865.62x = 136,253.27 × 57,560.45
  4. Step 4: Simplify right side
    90,865.62x = 7,842,798,566.10
  5. Step 5: Solve for x
    x = 7,842,798,566.10/90,865.62
  6. Step 6: Final answer
    x = 86,312.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.