Home / 185,329.08-278,045.50-72,939.96

Finding the Fourth Proportional to 185,329.08, 278,045.50 and 72,939.96

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Solution

The fourth proportional to 185,329.08, 278,045.50 and 72,939.96 is: 109,430.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,329.08 : 278,045.50 = 72,939.96 : x
  2. Step 2: Convert to fraction form
    185,329.08/278,045.50 = 72,939.96/x
  3. Step 3: Cross multiply
    185,329.08x = 278,045.50 × 72,939.96
  4. Step 4: Simplify right side
    185,329.08x = 20,280,627,648.18
  5. Step 5: Solve for x
    x = 20,280,627,648.18/185,329.08
  6. Step 6: Final answer
    x = 109,430.36

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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.