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Finding the Fourth Proportional to 99,179.70, 148,779.30 and 32,592.84

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Solution

The fourth proportional to 99,179.70, 148,779.30 and 32,592.84 is: 48,892.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,179.70 : 148,779.30 = 32,592.84 : x
  2. Step 2: Convert to fraction form
    99,179.70/148,779.30 = 32,592.84/x
  3. Step 3: Cross multiply
    99,179.70x = 148,779.30 × 32,592.84
  4. Step 4: Simplify right side
    99,179.70x = 4,849,139,920.21
  5. Step 5: Solve for x
    x = 4,849,139,920.21/99,179.70
  6. Step 6: Final answer
    x = 48,892.46

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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.