Home / 108,520.02-162,819.18-57,865.77

Finding the Fourth Proportional to 108,520.02, 162,819.18 and 57,865.77

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Solution

The fourth proportional to 108,520.02, 162,819.18 and 57,865.77 is: 86,819.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,520.02 : 162,819.18 = 57,865.77 : x
  2. Step 2: Convert to fraction form
    108,520.02/162,819.18 = 57,865.77/x
  3. Step 3: Cross multiply
    108,520.02x = 162,819.18 × 57,865.77
  4. Step 4: Simplify right side
    108,520.02x = 9,421,657,221.47
  5. Step 5: Solve for x
    x = 9,421,657,221.47/108,520.02
  6. Step 6: Final answer
    x = 86,819.53

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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.