Home / 158,937.28-219,322.88-90,945.92

Finding the Fourth Proportional to 158,937.28, 219,322.88 and 90,945.92

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Solution

The fourth proportional to 158,937.28, 219,322.88 and 90,945.92 is: 125,499.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,937.28 : 219,322.88 = 90,945.92 : x
  2. Step 2: Convert to fraction form
    158,937.28/219,322.88 = 90,945.92/x
  3. Step 3: Cross multiply
    158,937.28x = 219,322.88 × 90,945.92
  4. Step 4: Simplify right side
    158,937.28x = 19,946,521,098.65
  5. Step 5: Solve for x
    x = 19,946,521,098.65/158,937.28
  6. Step 6: Final answer
    x = 125,499.32

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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.