Home / 121,474.08-182,212.74-42,590.61

Finding the Fourth Proportional to 121,474.08, 182,212.74 and 42,590.61

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Solution

The fourth proportional to 121,474.08, 182,212.74 and 42,590.61 is: 63,886.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,474.08 : 182,212.74 = 42,590.61 : x
  2. Step 2: Convert to fraction form
    121,474.08/182,212.74 = 42,590.61/x
  3. Step 3: Cross multiply
    121,474.08x = 182,212.74 × 42,590.61
  4. Step 4: Simplify right side
    121,474.08x = 7,760,551,746.37
  5. Step 5: Solve for x
    x = 7,760,551,746.37/121,474.08
  6. Step 6: Final answer
    x = 63,886.48

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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.