Home / 150,897.42-208,244.07-90,477.90

Finding the Fourth Proportional to 150,897.42, 208,244.07 and 90,477.90

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Solution

The fourth proportional to 150,897.42, 208,244.07 and 90,477.90 is: 124,862.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,897.42 : 208,244.07 = 90,477.90 : x
  2. Step 2: Convert to fraction form
    150,897.42/208,244.07 = 90,477.90/x
  3. Step 3: Cross multiply
    150,897.42x = 208,244.07 × 90,477.90
  4. Step 4: Simplify right side
    150,897.42x = 18,841,486,141.05
  5. Step 5: Solve for x
    x = 18,841,486,141.05/150,897.42
  6. Step 6: Final answer
    x = 124,862.88

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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.