Home / 127,737.92-176,276-71,148.08

Finding the Fourth Proportional to 127,737.92, 176,276 and 71,148.08

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Solution

The fourth proportional to 127,737.92, 176,276 and 71,148.08 is: 98,183.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,737.92 : 176,276 = 71,148.08 : x
  2. Step 2: Convert to fraction form
    127,737.92/176,276 = 71,148.08/x
  3. Step 3: Cross multiply
    127,737.92x = 176,276 × 71,148.08
  4. Step 4: Simplify right side
    127,737.92x = 12,541,698,950.08
  5. Step 5: Solve for x
    x = 12,541,698,950.08/127,737.92
  6. Step 6: Final answer
    x = 98,183.05

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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.