Home / 149,901.11-206,866.08-89,460.02

Finding the Fourth Proportional to 149,901.11, 206,866.08 and 89,460.02

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Solution

The fourth proportional to 149,901.11, 206,866.08 and 89,460.02 is: 123,456.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,901.11 : 206,866.08 = 89,460.02 : x
  2. Step 2: Convert to fraction form
    149,901.11/206,866.08 = 89,460.02/x
  3. Step 3: Cross multiply
    149,901.11x = 206,866.08 × 89,460.02
  4. Step 4: Simplify right side
    149,901.11x = 18,506,243,654.12
  5. Step 5: Solve for x
    x = 18,506,243,654.12/149,901.11
  6. Step 6: Final answer
    x = 123,456.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.