Home / 63,194.45-87,225.14-39,307.55

Finding the Fourth Proportional to 63,194.45, 87,225.14 and 39,307.55

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Solution

The fourth proportional to 63,194.45, 87,225.14 and 39,307.55 is: 54,254.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,194.45 : 87,225.14 = 39,307.55 : x
  2. Step 2: Convert to fraction form
    63,194.45/87,225.14 = 39,307.55/x
  3. Step 3: Cross multiply
    63,194.45x = 87,225.14 × 39,307.55
  4. Step 4: Simplify right side
    63,194.45x = 3,428,606,213.95
  5. Step 5: Solve for x
    x = 3,428,606,213.95/63,194.45
  6. Step 6: Final answer
    x = 54,254.87

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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.