Home / 98,584.20-147,876.30-72,340.20

Finding the Fourth Proportional to 98,584.20, 147,876.30 and 72,340.20

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Solution

The fourth proportional to 98,584.20, 147,876.30 and 72,340.20 is: 108,510.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,584.20 : 147,876.30 = 72,340.20 : x
  2. Step 2: Convert to fraction form
    98,584.20/147,876.30 = 72,340.20/x
  3. Step 3: Cross multiply
    98,584.20x = 147,876.30 × 72,340.20
  4. Step 4: Simplify right side
    98,584.20x = 10,697,401,117.26
  5. Step 5: Solve for x
    x = 10,697,401,117.26/98,584.20
  6. Step 6: Final answer
    x = 108,510.30

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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.