Home / 376,904.40-565,162.20-140,125.20

Finding the Fourth Proportional to 376,904.40, 565,162.20 and 140,125.20

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Solution

The fourth proportional to 376,904.40, 565,162.20 and 140,125.20 is: 210,115.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,904.40 : 565,162.20 = 140,125.20 : x
  2. Step 2: Convert to fraction form
    376,904.40/565,162.20 = 140,125.20/x
  3. Step 3: Cross multiply
    376,904.40x = 565,162.20 × 140,125.20
  4. Step 4: Simplify right side
    376,904.40x = 79,193,466,307.44
  5. Step 5: Solve for x
    x = 79,193,466,307.44/376,904.40
  6. Step 6: Final answer
    x = 210,115.53

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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.