Home / 121,398.48-182,097.80-38,298.96

Finding the Fourth Proportional to 121,398.48, 182,097.80 and 38,298.96

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Solution

The fourth proportional to 121,398.48, 182,097.80 and 38,298.96 is: 57,448.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,398.48 : 182,097.80 = 38,298.96 : x
  2. Step 2: Convert to fraction form
    121,398.48/182,097.80 = 38,298.96/x
  3. Step 3: Cross multiply
    121,398.48x = 182,097.80 × 38,298.96
  4. Step 4: Simplify right side
    121,398.48x = 6,974,156,358.29
  5. Step 5: Solve for x
    x = 6,974,156,358.29/121,398.48
  6. Step 6: Final answer
    x = 57,448.47

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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.