Home / 98,658.20-147,998.10-95,547.80

Finding the Fourth Proportional to 98,658.20, 147,998.10 and 95,547.80

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Solution

The fourth proportional to 98,658.20, 147,998.10 and 95,547.80 is: 143,332.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,658.20 : 147,998.10 = 95,547.80 : x
  2. Step 2: Convert to fraction form
    98,658.20/147,998.10 = 95,547.80/x
  3. Step 3: Cross multiply
    98,658.20x = 147,998.10 × 95,547.80
  4. Step 4: Simplify right side
    98,658.20x = 14,140,892,859.18
  5. Step 5: Solve for x
    x = 14,140,892,859.18/98,658.20
  6. Step 6: Final answer
    x = 143,332.16

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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.