Home / 140,314.85-210,543.35-61,429.76

Finding the Fourth Proportional to 140,314.85, 210,543.35 and 61,429.76

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Solution

The fourth proportional to 140,314.85, 210,543.35 and 61,429.76 is: 92,175.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,314.85 : 210,543.35 = 61,429.76 : x
  2. Step 2: Convert to fraction form
    140,314.85/210,543.35 = 61,429.76/x
  3. Step 3: Cross multiply
    140,314.85x = 210,543.35 × 61,429.76
  4. Step 4: Simplify right side
    140,314.85x = 12,933,626,100.23
  5. Step 5: Solve for x
    x = 12,933,626,100.23/140,314.85
  6. Step 6: Final answer
    x = 92,175.75

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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.