Home / 189,726.24-284,630.40-100,966.76

Finding the Fourth Proportional to 189,726.24, 284,630.40 and 100,966.76

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Solution

The fourth proportional to 189,726.24, 284,630.40 and 100,966.76 is: 151,471.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,726.24 : 284,630.40 = 100,966.76 : x
  2. Step 2: Convert to fraction form
    189,726.24/284,630.40 = 100,966.76/x
  3. Step 3: Cross multiply
    189,726.24x = 284,630.40 × 100,966.76
  4. Step 4: Simplify right side
    189,726.24x = 28,738,209,285.50
  5. Step 5: Solve for x
    x = 28,738,209,285.50/189,726.24
  6. Step 6: Final answer
    x = 151,471.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.