Home / 98,772.48-147,615.10-72,173.84

Finding the Fourth Proportional to 98,772.48, 147,615.10 and 72,173.84

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Solution

The fourth proportional to 98,772.48, 147,615.10 and 72,173.84 is: 107,863.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,772.48 : 147,615.10 = 72,173.84 : x
  2. Step 2: Convert to fraction form
    98,772.48/147,615.10 = 72,173.84/x
  3. Step 3: Cross multiply
    98,772.48x = 147,615.10 × 72,173.84
  4. Step 4: Simplify right side
    98,772.48x = 10,653,948,608.98
  5. Step 5: Solve for x
    x = 10,653,948,608.98/98,772.48
  6. Step 6: Final answer
    x = 107,863.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.