Home / 98,031.20-135,175.00-67,763.98

Finding the Fourth Proportional to 98,031.20, 135,175.00 and 67,763.98

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Solution

The fourth proportional to 98,031.20, 135,175.00 and 67,763.98 is: 93,439.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,031.20 : 135,175.00 = 67,763.98 : x
  2. Step 2: Convert to fraction form
    98,031.20/135,175.00 = 67,763.98/x
  3. Step 3: Cross multiply
    98,031.20x = 135,175.00 × 67,763.98
  4. Step 4: Simplify right side
    98,031.20x = 9,159,995,362.76
  5. Step 5: Solve for x
    x = 9,159,995,362.76/98,031.20
  6. Step 6: Final answer
    x = 93,439.59

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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.