Home / 121,428.32-181,823.36-97,609.44

Finding the Fourth Proportional to 121,428.32, 181,823.36 and 97,609.44

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Solution

The fourth proportional to 121,428.32, 181,823.36 and 97,609.44 is: 146,157.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,428.32 : 181,823.36 = 97,609.44 : x
  2. Step 2: Convert to fraction form
    121,428.32/181,823.36 = 97,609.44/x
  3. Step 3: Cross multiply
    121,428.32x = 181,823.36 × 97,609.44
  4. Step 4: Simplify right side
    121,428.32x = 17,747,676,348.52
  5. Step 5: Solve for x
    x = 17,747,676,348.52/121,428.32
  6. Step 6: Final answer
    x = 146,157.64

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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.