Home / 140,031.18-210,046.78-34,850.14

Finding the Fourth Proportional to 140,031.18, 210,046.78 and 34,850.14

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Solution

The fourth proportional to 140,031.18, 210,046.78 and 34,850.14 is: 52,275.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,031.18 : 210,046.78 = 34,850.14 : x
  2. Step 2: Convert to fraction form
    140,031.18/210,046.78 = 34,850.14/x
  3. Step 3: Cross multiply
    140,031.18x = 210,046.78 × 34,850.14
  4. Step 4: Simplify right side
    140,031.18x = 7,320,159,689.55
  5. Step 5: Solve for x
    x = 7,320,159,689.55/140,031.18
  6. Step 6: Final answer
    x = 52,275.21

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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.