Home / 191,387.28-287,122.43-58,264.10

Finding the Fourth Proportional to 191,387.28, 287,122.43 and 58,264.10

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Solution

The fourth proportional to 191,387.28, 287,122.43 and 58,264.10 is: 87,408.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,387.28 : 287,122.43 = 58,264.10 : x
  2. Step 2: Convert to fraction form
    191,387.28/287,122.43 = 58,264.10/x
  3. Step 3: Cross multiply
    191,387.28x = 287,122.43 × 58,264.10
  4. Step 4: Simplify right side
    191,387.28x = 16,728,928,683.81
  5. Step 5: Solve for x
    x = 16,728,928,683.81/191,387.28
  6. Step 6: Final answer
    x = 87,408.78

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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.