Home / 102,169.46-140,918.45-70,348.61

Finding the Fourth Proportional to 102,169.46, 140,918.45 and 70,348.61

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Solution

The fourth proportional to 102,169.46, 140,918.45 and 70,348.61 is: 97,029.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,169.46 : 140,918.45 = 70,348.61 : x
  2. Step 2: Convert to fraction form
    102,169.46/140,918.45 = 70,348.61/x
  3. Step 3: Cross multiply
    102,169.46x = 140,918.45 × 70,348.61
  4. Step 4: Simplify right side
    102,169.46x = 9,913,416,024.52
  5. Step 5: Solve for x
    x = 9,913,416,024.52/102,169.46
  6. Step 6: Final answer
    x = 97,029.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.