Home / 121,592.96-167,801.10-76,272.85

Finding the Fourth Proportional to 121,592.96, 167,801.10 and 76,272.85

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Solution

The fourth proportional to 121,592.96, 167,801.10 and 76,272.85 is: 105,258.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,592.96 : 167,801.10 = 76,272.85 : x
  2. Step 2: Convert to fraction form
    121,592.96/167,801.10 = 76,272.85/x
  3. Step 3: Cross multiply
    121,592.96x = 167,801.10 × 76,272.85
  4. Step 4: Simplify right side
    121,592.96x = 12,798,668,130.14
  5. Step 5: Solve for x
    x = 12,798,668,130.14/121,592.96
  6. Step 6: Final answer
    x = 105,258.30

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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.