Home / 121,225.48-167,290.98-67,515.16

Finding the Fourth Proportional to 121,225.48, 167,290.98 and 67,515.16

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Solution

The fourth proportional to 121,225.48, 167,290.98 and 67,515.16 is: 93,170.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,225.48 : 167,290.98 = 67,515.16 : x
  2. Step 2: Convert to fraction form
    121,225.48/167,290.98 = 67,515.16/x
  3. Step 3: Cross multiply
    121,225.48x = 167,290.98 × 67,515.16
  4. Step 4: Simplify right side
    121,225.48x = 11,294,677,281.26
  5. Step 5: Solve for x
    x = 11,294,677,281.26/121,225.48
  6. Step 6: Final answer
    x = 93,170.82

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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.