Home / 121,672.51-182,254.28-97,851.42

Finding the Fourth Proportional to 121,672.51, 182,254.28 and 97,851.42

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Solution

The fourth proportional to 121,672.51, 182,254.28 and 97,851.42 is: 146,572.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,672.51 : 182,254.28 = 97,851.42 : x
  2. Step 2: Convert to fraction form
    121,672.51/182,254.28 = 97,851.42/x
  3. Step 3: Cross multiply
    121,672.51x = 182,254.28 × 97,851.42
  4. Step 4: Simplify right side
    121,672.51x = 17,833,840,099.08
  5. Step 5: Solve for x
    x = 17,833,840,099.08/121,672.51
  6. Step 6: Final answer
    x = 146,572.47

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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.