Home / 179,547.60-269,385.69-76,921.86

Finding the Fourth Proportional to 179,547.60, 269,385.69 and 76,921.86

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Solution

The fourth proportional to 179,547.60, 269,385.69 and 76,921.86 is: 115,410.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,547.60 : 269,385.69 = 76,921.86 : x
  2. Step 2: Convert to fraction form
    179,547.60/269,385.69 = 76,921.86/x
  3. Step 3: Cross multiply
    179,547.60x = 269,385.69 × 76,921.86
  4. Step 4: Simplify right side
    179,547.60x = 20,721,648,332.18
  5. Step 5: Solve for x
    x = 20,721,648,332.18/179,547.60
  6. Step 6: Final answer
    x = 115,410.33

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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.