Home / 99,946.13-137,912.34-64,184.57

Finding the Fourth Proportional to 99,946.13, 137,912.34 and 64,184.57

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Solution

The fourth proportional to 99,946.13, 137,912.34 and 64,184.57 is: 88,566.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,946.13 : 137,912.34 = 64,184.57 : x
  2. Step 2: Convert to fraction form
    99,946.13/137,912.34 = 64,184.57/x
  3. Step 3: Cross multiply
    99,946.13x = 137,912.34 × 64,184.57
  4. Step 4: Simplify right side
    99,946.13x = 8,851,844,240.59
  5. Step 5: Solve for x
    x = 8,851,844,240.59/99,946.13
  6. Step 6: Final answer
    x = 88,566.15

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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.