Home / 124,291.90-186,502.65-54,178.30

Finding the Fourth Proportional to 124,291.90, 186,502.65 and 54,178.30

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Solution

The fourth proportional to 124,291.90, 186,502.65 and 54,178.30 is: 81,295.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,291.90 : 186,502.65 = 54,178.30 : x
  2. Step 2: Convert to fraction form
    124,291.90/186,502.65 = 54,178.30/x
  3. Step 3: Cross multiply
    124,291.90x = 186,502.65 × 54,178.30
  4. Step 4: Simplify right side
    124,291.90x = 10,104,396,522.50
  5. Step 5: Solve for x
    x = 10,104,396,522.50/124,291.90
  6. Step 6: Final answer
    x = 81,295.70

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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.