Home / 108,368.10-162,552.15-90,872.10

Finding the Fourth Proportional to 108,368.10, 162,552.15 and 90,872.10

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Solution

The fourth proportional to 108,368.10, 162,552.15 and 90,872.10 is: 136,308.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,368.10 : 162,552.15 = 90,872.10 : x
  2. Step 2: Convert to fraction form
    108,368.10/162,552.15 = 90,872.10/x
  3. Step 3: Cross multiply
    108,368.10x = 162,552.15 × 90,872.10
  4. Step 4: Simplify right side
    108,368.10x = 14,771,455,230.02
  5. Step 5: Solve for x
    x = 14,771,455,230.02/108,368.10
  6. Step 6: Final answer
    x = 136,308.15

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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.