Home / 99,834.66-149,713.02-42,903.36

Finding the Fourth Proportional to 99,834.66, 149,713.02 and 42,903.36

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Solution

The fourth proportional to 99,834.66, 149,713.02 and 42,903.36 is: 64,338.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,834.66 : 149,713.02 = 42,903.36 : x
  2. Step 2: Convert to fraction form
    99,834.66/149,713.02 = 42,903.36/x
  3. Step 3: Cross multiply
    99,834.66x = 149,713.02 × 42,903.36
  4. Step 4: Simplify right side
    99,834.66x = 6,423,191,593.75
  5. Step 5: Solve for x
    x = 6,423,191,593.75/99,834.66
  6. Step 6: Final answer
    x = 64,338.29

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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.