Home / 90,561.80-135,665.98-59,302.28

Finding the Fourth Proportional to 90,561.80, 135,665.98 and 59,302.28

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Solution

The fourth proportional to 90,561.80, 135,665.98 and 59,302.28 is: 88,837.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,561.80 : 135,665.98 = 59,302.28 : x
  2. Step 2: Convert to fraction form
    90,561.80/135,665.98 = 59,302.28/x
  3. Step 3: Cross multiply
    90,561.80x = 135,665.98 × 59,302.28
  4. Step 4: Simplify right side
    90,561.80x = 8,045,301,932.43
  5. Step 5: Solve for x
    x = 8,045,301,932.43/90,561.80
  6. Step 6: Final answer
    x = 88,837.70

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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.