Home / 126,309.03-174,306.44-69,720.39

Finding the Fourth Proportional to 126,309.03, 174,306.44 and 69,720.39

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Solution

The fourth proportional to 126,309.03, 174,306.44 and 69,720.39 is: 96,214.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,309.03 : 174,306.44 = 69,720.39 : x
  2. Step 2: Convert to fraction form
    126,309.03/174,306.44 = 69,720.39/x
  3. Step 3: Cross multiply
    126,309.03x = 174,306.44 × 69,720.39
  4. Step 4: Simplify right side
    126,309.03x = 12,152,712,627.71
  5. Step 5: Solve for x
    x = 12,152,712,627.71/126,309.03
  6. Step 6: Final answer
    x = 96,214.12

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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.