Home / 162,403.68-243,676.73-77,076.17

Finding the Fourth Proportional to 162,403.68, 243,676.73 and 77,076.17

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Solution

The fourth proportional to 162,403.68, 243,676.73 and 77,076.17 is: 115,648.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,403.68 : 243,676.73 = 77,076.17 : x
  2. Step 2: Convert to fraction form
    162,403.68/243,676.73 = 77,076.17/x
  3. Step 3: Cross multiply
    162,403.68x = 243,676.73 × 77,076.17
  4. Step 4: Simplify right side
    162,403.68x = 18,781,668,040.83
  5. Step 5: Solve for x
    x = 18,781,668,040.83/162,403.68
  6. Step 6: Final answer
    x = 115,648.04

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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.