Home / 143,348.85-215,050.40-47,291.57

Finding the Fourth Proportional to 143,348.85, 215,050.40 and 47,291.57

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Solution

The fourth proportional to 143,348.85, 215,050.40 and 47,291.57 is: 70,946.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,348.85 : 215,050.40 = 47,291.57 : x
  2. Step 2: Convert to fraction form
    143,348.85/215,050.40 = 47,291.57/x
  3. Step 3: Cross multiply
    143,348.85x = 215,050.40 × 47,291.57
  4. Step 4: Simplify right side
    143,348.85x = 10,170,069,733.42
  5. Step 5: Solve for x
    x = 10,170,069,733.42/143,348.85
  6. Step 6: Final answer
    x = 70,946.29

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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.