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Finding the Fourth Proportional to 121,293.40, 181,948.20 and 41,330.20

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Solution

The fourth proportional to 121,293.40, 181,948.20 and 41,330.20 is: 61,998.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,293.40 : 181,948.20 = 41,330.20 : x
  2. Step 2: Convert to fraction form
    121,293.40/181,948.20 = 41,330.20/x
  3. Step 3: Cross multiply
    121,293.40x = 181,948.20 × 41,330.20
  4. Step 4: Simplify right side
    121,293.40x = 7,519,955,495.64
  5. Step 5: Solve for x
    x = 7,519,955,495.64/121,293.40
  6. Step 6: Final answer
    x = 61,998.06

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1.5x scale

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.