Home / 150,567.57-207,800.61-90,138.18

Finding the Fourth Proportional to 150,567.57, 207,800.61 and 90,138.18

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Solution

The fourth proportional to 150,567.57, 207,800.61 and 90,138.18 is: 124,401.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,567.57 : 207,800.61 = 90,138.18 : x
  2. Step 2: Convert to fraction form
    150,567.57/207,800.61 = 90,138.18/x
  3. Step 3: Cross multiply
    150,567.57x = 207,800.61 × 90,138.18
  4. Step 4: Simplify right side
    150,567.57x = 18,730,768,788.29
  5. Step 5: Solve for x
    x = 18,730,768,788.29/150,567.57
  6. Step 6: Final answer
    x = 124,401.08

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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.