Home / 112,656.02-169,389.23-103,878.65

Finding the Fourth Proportional to 112,656.02, 169,389.23 and 103,878.65

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Solution

The fourth proportional to 112,656.02, 169,389.23 and 103,878.65 is: 156,191.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,656.02 : 169,389.23 = 103,878.65 : x
  2. Step 2: Convert to fraction form
    112,656.02/169,389.23 = 103,878.65/x
  3. Step 3: Cross multiply
    112,656.02x = 169,389.23 × 103,878.65
  4. Step 4: Simplify right side
    112,656.02x = 17,595,924,441.02
  5. Step 5: Solve for x
    x = 17,595,924,441.02/112,656.02
  6. Step 6: Final answer
    x = 156,191.61

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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.