Home / 127,613.65-176,117.01-73,899.62

Finding the Fourth Proportional to 127,613.65, 176,117.01 and 73,899.62

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Solution

The fourth proportional to 127,613.65, 176,117.01 and 73,899.62 is: 101,987.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,613.65 : 176,117.01 = 73,899.62 : x
  2. Step 2: Convert to fraction form
    127,613.65/176,117.01 = 73,899.62/x
  3. Step 3: Cross multiply
    127,613.65x = 176,117.01 × 73,899.62
  4. Step 4: Simplify right side
    127,613.65x = 13,014,980,114.54
  5. Step 5: Solve for x
    x = 13,014,980,114.54/127,613.65
  6. Step 6: Final answer
    x = 101,987.37

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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.