Home / 158,760.28-219,088.41-87,141.52

Finding the Fourth Proportional to 158,760.28, 219,088.41 and 87,141.52

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Solution

The fourth proportional to 158,760.28, 219,088.41 and 87,141.52 is: 120,254.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,760.28 : 219,088.41 = 87,141.52 : x
  2. Step 2: Convert to fraction form
    158,760.28/219,088.41 = 87,141.52/x
  3. Step 3: Cross multiply
    158,760.28x = 219,088.41 × 87,141.52
  4. Step 4: Simplify right side
    158,760.28x = 19,091,695,966.34
  5. Step 5: Solve for x
    x = 19,091,695,966.34/158,760.28
  6. Step 6: Final answer
    x = 120,254.87

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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.