Home / 121,225.92-167,279.78-67,515.93

Finding the Fourth Proportional to 121,225.92, 167,279.78 and 67,515.93

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Solution

The fourth proportional to 121,225.92, 167,279.78 and 67,515.93 is: 93,165.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,225.92 : 167,279.78 = 67,515.93 : x
  2. Step 2: Convert to fraction form
    121,225.92/167,279.78 = 67,515.93/x
  3. Step 3: Cross multiply
    121,225.92x = 167,279.78 × 67,515.93
  4. Step 4: Simplify right side
    121,225.92x = 11,294,050,085.69
  5. Step 5: Solve for x
    x = 11,294,050,085.69/121,225.92
  6. Step 6: Final answer
    x = 93,165.31

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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.