Home / 152,004.20-209,710.50-88,327.40

Finding the Fourth Proportional to 152,004.20, 209,710.50 and 88,327.40

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Solution

The fourth proportional to 152,004.20, 209,710.50 and 88,327.40 is: 121,859.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,004.20 : 209,710.50 = 88,327.40 : x
  2. Step 2: Convert to fraction form
    152,004.20/209,710.50 = 88,327.40/x
  3. Step 3: Cross multiply
    152,004.20x = 209,710.50 × 88,327.40
  4. Step 4: Simplify right side
    152,004.20x = 18,523,183,217.70
  5. Step 5: Solve for x
    x = 18,523,183,217.70/152,004.20
  6. Step 6: Final answer
    x = 121,859.68

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1.5x scale

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.