Home / 152,002.20-209,707.74-88,325.40

Finding the Fourth Proportional to 152,002.20, 209,707.74 and 88,325.40

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Solution

The fourth proportional to 152,002.20, 209,707.74 and 88,325.40 is: 121,856.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,002.20 : 209,707.74 = 88,325.40 : x
  2. Step 2: Convert to fraction form
    152,002.20/209,707.74 = 88,325.40/x
  3. Step 3: Cross multiply
    152,002.20x = 209,707.74 × 88,325.40
  4. Step 4: Simplify right side
    152,002.20x = 18,522,520,018.60
  5. Step 5: Solve for x
    x = 18,522,520,018.60/152,002.20
  6. Step 6: Final answer
    x = 121,856.92

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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.