Home / 121,045.48-181,573.06-42,167.68

Finding the Fourth Proportional to 121,045.48, 181,573.06 and 42,167.68

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Solution

The fourth proportional to 121,045.48, 181,573.06 and 42,167.68 is: 63,253.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,045.48 : 181,573.06 = 42,167.68 : x
  2. Step 2: Convert to fraction form
    121,045.48/181,573.06 = 42,167.68/x
  3. Step 3: Cross multiply
    121,045.48x = 181,573.06 × 42,167.68
  4. Step 4: Simplify right side
    121,045.48x = 7,656,514,690.70
  5. Step 5: Solve for x
    x = 7,656,514,690.70/121,045.48
  6. Step 6: Final answer
    x = 63,253.21

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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.