Home / 150,955.25-208,265.14-90,545.45

Finding the Fourth Proportional to 150,955.25, 208,265.14 and 90,545.45

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Solution

The fourth proportional to 150,955.25, 208,265.14 and 90,545.45 is: 124,920.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,955.25 : 208,265.14 = 90,545.45 : x
  2. Step 2: Convert to fraction form
    150,955.25/208,265.14 = 90,545.45/x
  3. Step 3: Cross multiply
    150,955.25x = 208,265.14 × 90,545.45
  4. Step 4: Simplify right side
    150,955.25x = 18,857,460,820.61
  5. Step 5: Solve for x
    x = 18,857,460,820.61/150,955.25
  6. Step 6: Final answer
    x = 124,920.87

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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.