Home / 108,296.92-162,432.95-28,342.63

Finding the Fourth Proportional to 108,296.92, 162,432.95 and 28,342.63

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Solution

The fourth proportional to 108,296.92, 162,432.95 and 28,342.63 is: 42,510.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,296.92 : 162,432.95 = 28,342.63 : x
  2. Step 2: Convert to fraction form
    108,296.92/162,432.95 = 28,342.63/x
  3. Step 3: Cross multiply
    108,296.92x = 162,432.95 × 28,342.63
  4. Step 4: Simplify right side
    108,296.92x = 4,603,777,519.83
  5. Step 5: Solve for x
    x = 4,603,777,519.83/108,296.92
  6. Step 6: Final answer
    x = 42,510.70

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1.5x scale

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.