Home / 156,617.96-216,129.06-84,994.92

Finding the Fourth Proportional to 156,617.96, 216,129.06 and 84,994.92

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Solution

The fourth proportional to 156,617.96, 216,129.06 and 84,994.92 is: 117,290.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,617.96 : 216,129.06 = 84,994.92 : x
  2. Step 2: Convert to fraction form
    156,617.96/216,129.06 = 84,994.92/x
  3. Step 3: Cross multiply
    156,617.96x = 216,129.06 × 84,994.92
  4. Step 4: Simplify right side
    156,617.96x = 18,369,872,164.38
  5. Step 5: Solve for x
    x = 18,369,872,164.38/156,617.96
  6. Step 6: Final answer
    x = 117,290.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.