Home / 140,329.10-210,346.62-65,387.46

Finding the Fourth Proportional to 140,329.10, 210,346.62 and 65,387.46

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Solution

The fourth proportional to 140,329.10, 210,346.62 and 65,387.46 is: 98,012.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,329.10 : 210,346.62 = 65,387.46 : x
  2. Step 2: Convert to fraction form
    140,329.10/210,346.62 = 65,387.46/x
  3. Step 3: Cross multiply
    140,329.10x = 210,346.62 × 65,387.46
  4. Step 4: Simplify right side
    140,329.10x = 13,754,031,201.39
  5. Step 5: Solve for x
    x = 13,754,031,201.39/140,329.10
  6. Step 6: Final answer
    x = 98,012.68

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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.