Home / 108,980.10-163,371.12-97,170.30

Finding the Fourth Proportional to 108,980.10, 163,371.12 and 97,170.30

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Solution

The fourth proportional to 108,980.10, 163,371.12 and 97,170.30 is: 145,667.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,980.10 : 163,371.12 = 97,170.30 : x
  2. Step 2: Convert to fraction form
    108,980.10/163,371.12 = 97,170.30/x
  3. Step 3: Cross multiply
    108,980.10x = 163,371.12 × 97,170.30
  4. Step 4: Simplify right side
    108,980.10x = 15,874,820,741.74
  5. Step 5: Solve for x
    x = 15,874,820,741.74/108,980.10
  6. Step 6: Final answer
    x = 145,667.15

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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.