Home / 150,407.18-207,559.40-89,943.45

Finding the Fourth Proportional to 150,407.18, 207,559.40 and 89,943.45

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Solution

The fourth proportional to 150,407.18, 207,559.40 and 89,943.45 is: 124,120.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,407.18 : 207,559.40 = 89,943.45 : x
  2. Step 2: Convert to fraction form
    150,407.18/207,559.40 = 89,943.45/x
  3. Step 3: Cross multiply
    150,407.18x = 207,559.40 × 89,943.45
  4. Step 4: Simplify right side
    150,407.18x = 18,668,607,287.87
  5. Step 5: Solve for x
    x = 18,668,607,287.87/150,407.18
  6. Step 6: Final answer
    x = 124,120.45

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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.