Home / 140,316.30-210,474.45-84,329.10

Finding the Fourth Proportional to 140,316.30, 210,474.45 and 84,329.10

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Solution

The fourth proportional to 140,316.30, 210,474.45 and 84,329.10 is: 126,493.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,316.30 : 210,474.45 = 84,329.10 : x
  2. Step 2: Convert to fraction form
    140,316.30/210,474.45 = 84,329.10/x
  3. Step 3: Cross multiply
    140,316.30x = 210,474.45 × 84,329.10
  4. Step 4: Simplify right side
    140,316.30x = 17,749,120,941.50
  5. Step 5: Solve for x
    x = 17,749,120,941.50/140,316.30
  6. Step 6: Final answer
    x = 126,493.65

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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.