Home / 99,526.55-149,002.02-89,259.03

Finding the Fourth Proportional to 99,526.55, 149,002.02 and 89,259.03

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Solution

The fourth proportional to 99,526.55, 149,002.02 and 89,259.03 is: 133,630.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,526.55 : 149,002.02 = 89,259.03 : x
  2. Step 2: Convert to fraction form
    99,526.55/149,002.02 = 89,259.03/x
  3. Step 3: Cross multiply
    99,526.55x = 149,002.02 × 89,259.03
  4. Step 4: Simplify right side
    99,526.55x = 13,299,775,773.24
  5. Step 5: Solve for x
    x = 13,299,775,773.24/99,526.55
  6. Step 6: Final answer
    x = 133,630.44

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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.