Home / 150,900.30-208,260.78-86,393.52

Finding the Fourth Proportional to 150,900.30, 208,260.78 and 86,393.52

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Solution

The fourth proportional to 150,900.30, 208,260.78 and 86,393.52 is: 119,233.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,900.30 : 208,260.78 = 86,393.52 : x
  2. Step 2: Convert to fraction form
    150,900.30/208,260.78 = 86,393.52/x
  3. Step 3: Cross multiply
    150,900.30x = 208,260.78 × 86,393.52
  4. Step 4: Simplify right side
    150,900.30x = 17,992,381,862.15
  5. Step 5: Solve for x
    x = 17,992,381,862.15/150,900.30
  6. Step 6: Final answer
    x = 119,233.57

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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.