Home / 152,004.70-209,711.19-88,327.90

Finding the Fourth Proportional to 152,004.70, 209,711.19 and 88,327.90

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Solution

The fourth proportional to 152,004.70, 209,711.19 and 88,327.90 is: 121,860.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,004.70 : 209,711.19 = 88,327.90 : x
  2. Step 2: Convert to fraction form
    152,004.70/209,711.19 = 88,327.90/x
  3. Step 3: Cross multiply
    152,004.70x = 209,711.19 × 88,327.90
  4. Step 4: Simplify right side
    152,004.70x = 18,523,349,019.20
  5. Step 5: Solve for x
    x = 18,523,349,019.20/152,004.70
  6. Step 6: Final answer
    x = 121,860.37

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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.