Home / 156,769.30-235,153.95-146,271.70

Finding the Fourth Proportional to 156,769.30, 235,153.95 and 146,271.70

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Solution

The fourth proportional to 156,769.30, 235,153.95 and 146,271.70 is: 219,407.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,769.30 : 235,153.95 = 146,271.70 : x
  2. Step 2: Convert to fraction form
    156,769.30/235,153.95 = 146,271.70/x
  3. Step 3: Cross multiply
    156,769.30x = 235,153.95 × 146,271.70
  4. Step 4: Simplify right side
    156,769.30x = 34,396,368,028.22
  5. Step 5: Solve for x
    x = 34,396,368,028.22/156,769.30
  6. Step 6: Final answer
    x = 219,407.55

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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.