Home / 156,931.40-235,397.10-50,315.15

Finding the Fourth Proportional to 156,931.40, 235,397.10 and 50,315.15

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Solution

The fourth proportional to 156,931.40, 235,397.10 and 50,315.15 is: 75,472.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,931.40 : 235,397.10 = 50,315.15 : x
  2. Step 2: Convert to fraction form
    156,931.40/235,397.10 = 50,315.15/x
  3. Step 3: Cross multiply
    156,931.40x = 235,397.10 × 50,315.15
  4. Step 4: Simplify right side
    156,931.40x = 11,844,040,396.07
  5. Step 5: Solve for x
    x = 11,844,040,396.07/156,931.40
  6. Step 6: Final answer
    x = 75,472.73

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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.