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Finding the Fourth Proportional to 99,800.60, 149,700.90 and 97,832.30

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Solution

The fourth proportional to 99,800.60, 149,700.90 and 97,832.30 is: 146,748.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,800.60 : 149,700.90 = 97,832.30 : x
  2. Step 2: Convert to fraction form
    99,800.60/149,700.90 = 97,832.30/x
  3. Step 3: Cross multiply
    99,800.60x = 149,700.90 × 97,832.30
  4. Step 4: Simplify right side
    99,800.60x = 14,645,583,359.07
  5. Step 5: Solve for x
    x = 14,645,583,359.07/99,800.60
  6. Step 6: Final answer
    x = 146,748.45

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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.