Home / 121,438.02-167,585.16-67,725.30

Finding the Fourth Proportional to 121,438.02, 167,585.16 and 67,725.30

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Solution

The fourth proportional to 121,438.02, 167,585.16 and 67,725.30 is: 93,461.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,438.02 : 167,585.16 = 67,725.30 : x
  2. Step 2: Convert to fraction form
    121,438.02/167,585.16 = 67,725.30/x
  3. Step 3: Cross multiply
    121,438.02x = 167,585.16 × 67,725.30
  4. Step 4: Simplify right side
    121,438.02x = 11,349,755,236.55
  5. Step 5: Solve for x
    x = 11,349,755,236.55/121,438.02
  6. Step 6: Final answer
    x = 93,461.30

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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.