Home / 127,045.67-175,321.80-69,683.79

Finding the Fourth Proportional to 127,045.67, 175,321.80 and 69,683.79

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Solution

The fourth proportional to 127,045.67, 175,321.80 and 69,683.79 is: 96,162.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,045.67 : 175,321.80 = 69,683.79 : x
  2. Step 2: Convert to fraction form
    127,045.67/175,321.80 = 69,683.79/x
  3. Step 3: Cross multiply
    127,045.67x = 175,321.80 × 69,683.79
  4. Step 4: Simplify right side
    127,045.67x = 12,217,088,151.08
  5. Step 5: Solve for x
    x = 12,217,088,151.08/127,045.67
  6. Step 6: Final answer
    x = 96,162.97

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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.