Home / 126,488.04-174,543.03-69,899.28

Finding the Fourth Proportional to 126,488.04, 174,543.03 and 69,899.28

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Solution

The fourth proportional to 126,488.04, 174,543.03 and 69,899.28 is: 96,455.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,488.04 : 174,543.03 = 69,899.28 : x
  2. Step 2: Convert to fraction form
    126,488.04/174,543.03 = 69,899.28/x
  3. Step 3: Cross multiply
    126,488.04x = 174,543.03 × 69,899.28
  4. Step 4: Simplify right side
    126,488.04x = 12,200,432,126.02
  5. Step 5: Solve for x
    x = 12,200,432,126.02/126,488.04
  6. Step 6: Final answer
    x = 96,455.22

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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.