Home / 108,145.04-162,162.18-57,572.80

Finding the Fourth Proportional to 108,145.04, 162,162.18 and 57,572.80

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Solution

The fourth proportional to 108,145.04, 162,162.18 and 57,572.80 is: 86,329.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,145.04 : 162,162.18 = 57,572.80 : x
  2. Step 2: Convert to fraction form
    108,145.04/162,162.18 = 57,572.80/x
  3. Step 3: Cross multiply
    108,145.04x = 162,162.18 × 57,572.80
  4. Step 4: Simplify right side
    108,145.04x = 9,336,130,756.70
  5. Step 5: Solve for x
    x = 9,336,130,756.70/108,145.04
  6. Step 6: Final answer
    x = 86,329.72

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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.