Home / 98,998.79-148,498.04-39,820.55

Finding the Fourth Proportional to 98,998.79, 148,498.04 and 39,820.55

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Solution

The fourth proportional to 98,998.79, 148,498.04 and 39,820.55 is: 59,730.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,998.79 : 148,498.04 = 39,820.55 : x
  2. Step 2: Convert to fraction form
    98,998.79/148,498.04 = 39,820.55/x
  3. Step 3: Cross multiply
    98,998.79x = 148,498.04 × 39,820.55
  4. Step 4: Simplify right side
    98,998.79x = 5,913,272,685.13
  5. Step 5: Solve for x
    x = 5,913,272,685.13/98,998.79
  6. Step 6: Final answer
    x = 59,730.76

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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.