Home / 121,154.60-181,343.10-94,716.20

Finding the Fourth Proportional to 121,154.60, 181,343.10 and 94,716.20

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Solution

The fourth proportional to 121,154.60, 181,343.10 and 94,716.20 is: 141,770.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,154.60 : 181,343.10 = 94,716.20 : x
  2. Step 2: Convert to fraction form
    121,154.60/181,343.10 = 94,716.20/x
  3. Step 3: Cross multiply
    121,154.60x = 181,343.10 × 94,716.20
  4. Step 4: Simplify right side
    121,154.60x = 17,176,129,328.22
  5. Step 5: Solve for x
    x = 17,176,129,328.22/121,154.60
  6. Step 6: Final answer
    x = 141,770.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.