Home / 140,559.40-210,867.90-47,132.20

Finding the Fourth Proportional to 140,559.40, 210,867.90 and 47,132.20

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Solution

The fourth proportional to 140,559.40, 210,867.90 and 47,132.20 is: 70,707.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,559.40 : 210,867.90 = 47,132.20 : x
  2. Step 2: Convert to fraction form
    140,559.40/210,867.90 = 47,132.20/x
  3. Step 3: Cross multiply
    140,559.40x = 210,867.90 × 47,132.20
  4. Step 4: Simplify right side
    140,559.40x = 9,938,668,036.38
  5. Step 5: Solve for x
    x = 9,938,668,036.38/140,559.40
  6. Step 6: Final answer
    x = 70,707.96

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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.