Home / 101,946.27-140,656.71-61,630.75

Finding the Fourth Proportional to 101,946.27, 140,656.71 and 61,630.75

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Solution

The fourth proportional to 101,946.27, 140,656.71 and 61,630.75 is: 85,032.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,946.27 : 140,656.71 = 61,630.75 : x
  2. Step 2: Convert to fraction form
    101,946.27/140,656.71 = 61,630.75/x
  3. Step 3: Cross multiply
    101,946.27x = 140,656.71 × 61,630.75
  4. Step 4: Simplify right side
    101,946.27x = 8,668,778,529.83
  5. Step 5: Solve for x
    x = 8,668,778,529.83/101,946.27
  6. Step 6: Final answer
    x = 85,032.82

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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.