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Finding the Fourth Proportional to 150,901.92, 208,250.28 and 90,482.40

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Solution

The fourth proportional to 150,901.92, 208,250.28 and 90,482.40 is: 124,869.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,901.92 : 208,250.28 = 90,482.40 : x
  2. Step 2: Convert to fraction form
    150,901.92/208,250.28 = 90,482.40/x
  3. Step 3: Cross multiply
    150,901.92x = 208,250.28 × 90,482.40
  4. Step 4: Simplify right side
    150,901.92x = 18,842,985,135.07
  5. Step 5: Solve for x
    x = 18,842,985,135.07/150,901.92
  6. Step 6: Final answer
    x = 124,869.09

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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.