Home / 99,077.20-148,614.08-39,911.36

Finding the Fourth Proportional to 99,077.20, 148,614.08 and 39,911.36

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Solution

The fourth proportional to 99,077.20, 148,614.08 and 39,911.36 is: 59,866.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,077.20 : 148,614.08 = 39,911.36 : x
  2. Step 2: Convert to fraction form
    99,077.20/148,614.08 = 39,911.36/x
  3. Step 3: Cross multiply
    99,077.20x = 148,614.08 × 39,911.36
  4. Step 4: Simplify right side
    99,077.20x = 5,931,390,047.95
  5. Step 5: Solve for x
    x = 5,931,390,047.95/99,077.20
  6. Step 6: Final answer
    x = 59,866.35

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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.