Home / 108,159.16-162,280.28-76,168.93

Finding the Fourth Proportional to 108,159.16, 162,280.28 and 76,168.93

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Solution

The fourth proportional to 108,159.16, 162,280.28 and 76,168.93 is: 114,282.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,159.16 : 162,280.28 = 76,168.93 : x
  2. Step 2: Convert to fraction form
    108,159.16/162,280.28 = 76,168.93/x
  3. Step 3: Cross multiply
    108,159.16x = 162,280.28 × 76,168.93
  4. Step 4: Simplify right side
    108,159.16x = 12,360,714,476.30
  5. Step 5: Solve for x
    x = 12,360,714,476.30/108,159.16
  6. Step 6: Final answer
    x = 114,282.65

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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.