Home / 106,462.30-159,693.45-90,630.85

Finding the Fourth Proportional to 106,462.30, 159,693.45 and 90,630.85

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Solution

The fourth proportional to 106,462.30, 159,693.45 and 90,630.85 is: 135,946.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,462.30 : 159,693.45 = 90,630.85 : x
  2. Step 2: Convert to fraction form
    106,462.30/159,693.45 = 90,630.85/x
  3. Step 3: Cross multiply
    106,462.30x = 159,693.45 × 90,630.85
  4. Step 4: Simplify right side
    106,462.30x = 14,473,153,112.93
  5. Step 5: Solve for x
    x = 14,473,153,112.93/106,462.30
  6. Step 6: Final answer
    x = 135,946.28

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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.