Home / 189,484.23-284,187.20-71,152.95

Finding the Fourth Proportional to 189,484.23, 284,187.20 and 71,152.95

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Solution

The fourth proportional to 189,484.23, 284,187.20 and 71,152.95 is: 106,714.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,484.23 : 284,187.20 = 71,152.95 : x
  2. Step 2: Convert to fraction form
    189,484.23/284,187.20 = 71,152.95/x
  3. Step 3: Cross multiply
    189,484.23x = 284,187.20 × 71,152.95
  4. Step 4: Simplify right side
    189,484.23x = 20,220,757,276.48
  5. Step 5: Solve for x
    x = 20,220,757,276.48/189,484.23
  6. Step 6: Final answer
    x = 106,714.72

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1.5x scale

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.