Home / 98,950.16-148,498.24-72,725.60

Finding the Fourth Proportional to 98,950.16, 148,498.24 and 72,725.60

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Solution

The fourth proportional to 98,950.16, 148,498.24 and 72,725.60 is: 109,142.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,950.16 : 148,498.24 = 72,725.60 : x
  2. Step 2: Convert to fraction form
    98,950.16/148,498.24 = 72,725.60/x
  3. Step 3: Cross multiply
    98,950.16x = 148,498.24 × 72,725.60
  4. Step 4: Simplify right side
    98,950.16x = 10,799,623,602.94
  5. Step 5: Solve for x
    x = 10,799,623,602.94/98,950.16
  6. Step 6: Final answer
    x = 109,142.05

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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.