Home / 126,309.41-174,306.95-69,720.77

Finding the Fourth Proportional to 126,309.41, 174,306.95 and 69,720.77

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Solution

The fourth proportional to 126,309.41, 174,306.95 and 69,720.77 is: 96,214.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,309.41 : 174,306.95 = 69,720.77 : x
  2. Step 2: Convert to fraction form
    126,309.41/174,306.95 = 69,720.77/x
  3. Step 3: Cross multiply
    126,309.41x = 174,306.95 × 69,720.77
  4. Step 4: Simplify right side
    126,309.41x = 12,152,814,073.12
  5. Step 5: Solve for x
    x = 12,152,814,073.12/126,309.41
  6. Step 6: Final answer
    x = 96,214.64

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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.