Home / 112,985.20-169,482.20-34,099.44

Finding the Fourth Proportional to 112,985.20, 169,482.20 and 34,099.44

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Solution

The fourth proportional to 112,985.20, 169,482.20 and 34,099.44 is: 51,150.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,985.20 : 169,482.20 = 34,099.44 : x
  2. Step 2: Convert to fraction form
    112,985.20/169,482.20 = 34,099.44/x
  3. Step 3: Cross multiply
    112,985.20x = 169,482.20 × 34,099.44
  4. Step 4: Simplify right side
    112,985.20x = 5,779,248,109.97
  5. Step 5: Solve for x
    x = 5,779,248,109.97/112,985.20
  6. Step 6: Final answer
    x = 51,150.49

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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.