Home / 156,922.90-235,384.35-51,728.20

Finding the Fourth Proportional to 156,922.90, 235,384.35 and 51,728.20

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Solution

The fourth proportional to 156,922.90, 235,384.35 and 51,728.20 is: 77,592.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,922.90 : 235,384.35 = 51,728.20 : x
  2. Step 2: Convert to fraction form
    156,922.90/235,384.35 = 51,728.20/x
  3. Step 3: Cross multiply
    156,922.90x = 235,384.35 × 51,728.20
  4. Step 4: Simplify right side
    156,922.90x = 12,176,008,733.67
  5. Step 5: Solve for x
    x = 12,176,008,733.67/156,922.90
  6. Step 6: Final answer
    x = 77,592.30

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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.