Home / 191,686.08-287,331.84-73,325.28

Finding the Fourth Proportional to 191,686.08, 287,331.84 and 73,325.28

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Solution

The fourth proportional to 191,686.08, 287,331.84 and 73,325.28 is: 109,912.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,686.08 : 287,331.84 = 73,325.28 : x
  2. Step 2: Convert to fraction form
    191,686.08/287,331.84 = 73,325.28/x
  3. Step 3: Cross multiply
    191,686.08x = 287,331.84 × 73,325.28
  4. Step 4: Simplify right side
    191,686.08x = 21,068,687,620.92
  5. Step 5: Solve for x
    x = 21,068,687,620.92/191,686.08
  6. Step 6: Final answer
    x = 109,912.45

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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.