Home / 156,775.30-235,203.45-68,008.48

Finding the Fourth Proportional to 156,775.30, 235,203.45 and 68,008.48

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Solution

The fourth proportional to 156,775.30, 235,203.45 and 68,008.48 is: 102,030.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,775.30 : 235,203.45 = 68,008.48 : x
  2. Step 2: Convert to fraction form
    156,775.30/235,203.45 = 68,008.48/x
  3. Step 3: Cross multiply
    156,775.30x = 235,203.45 × 68,008.48
  4. Step 4: Simplify right side
    156,775.30x = 15,995,829,125.26
  5. Step 5: Solve for x
    x = 15,995,829,125.26/156,775.30
  6. Step 6: Final answer
    x = 102,030.29

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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.