Home / 121,294.41-167,384.30-66,104.50

Finding the Fourth Proportional to 121,294.41, 167,384.30 and 66,104.50

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Solution

The fourth proportional to 121,294.41, 167,384.30 and 66,104.50 is: 91,223.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,294.41 : 167,384.30 = 66,104.50 : x
  2. Step 2: Convert to fraction form
    121,294.41/167,384.30 = 66,104.50/x
  3. Step 3: Cross multiply
    121,294.41x = 167,384.30 × 66,104.50
  4. Step 4: Simplify right side
    121,294.41x = 11,064,854,710.37
  5. Step 5: Solve for x
    x = 11,064,854,710.37/121,294.41
  6. Step 6: Final answer
    x = 91,223.12

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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.