Home / 99,767.76-149,520.42-47,192.28

Finding the Fourth Proportional to 99,767.76, 149,520.42 and 47,192.28

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Solution

The fourth proportional to 99,767.76, 149,520.42 and 47,192.28 is: 70,726.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,767.76 : 149,520.42 = 47,192.28 : x
  2. Step 2: Convert to fraction form
    99,767.76/149,520.42 = 47,192.28/x
  3. Step 3: Cross multiply
    99,767.76x = 149,520.42 × 47,192.28
  4. Step 4: Simplify right side
    99,767.76x = 7,056,209,526.36
  5. Step 5: Solve for x
    x = 7,056,209,526.36/99,767.76
  6. Step 6: Final answer
    x = 70,726.35

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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.