Home / 156,776.80-235,205.72-68,010

Finding the Fourth Proportional to 156,776.80, 235,205.72 and 68,010

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Solution

The fourth proportional to 156,776.80, 235,205.72 and 68,010 is: 102,032.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,776.80 : 235,205.72 = 68,010 : x
  2. Step 2: Convert to fraction form
    156,776.80/235,205.72 = 68,010/x
  3. Step 3: Cross multiply
    156,776.80x = 235,205.72 × 68,010
  4. Step 4: Simplify right side
    156,776.80x = 15,996,341,017.20
  5. Step 5: Solve for x
    x = 15,996,341,017.20/156,776.80
  6. Step 6: Final answer
    x = 102,032.58

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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.