Home / 121,207.38-181,830.76-35,826.90

Finding the Fourth Proportional to 121,207.38, 181,830.76 and 35,826.90

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Solution

The fourth proportional to 121,207.38, 181,830.76 and 35,826.90 is: 53,746.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,207.38 : 181,830.76 = 35,826.90 : x
  2. Step 2: Convert to fraction form
    121,207.38/181,830.76 = 35,826.90/x
  3. Step 3: Cross multiply
    121,207.38x = 181,830.76 × 35,826.90
  4. Step 4: Simplify right side
    121,207.38x = 6,514,432,455.44
  5. Step 5: Solve for x
    x = 6,514,432,455.44/121,207.38
  6. Step 6: Final answer
    x = 53,746.17

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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.