Home / 108,612.90-163,065.15-69,344.10

Finding the Fourth Proportional to 108,612.90, 163,065.15 and 69,344.10

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Solution

The fourth proportional to 108,612.90, 163,065.15 and 69,344.10 is: 104,109.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,612.90 : 163,065.15 = 69,344.10 : x
  2. Step 2: Convert to fraction form
    108,612.90/163,065.15 = 69,344.10/x
  3. Step 3: Cross multiply
    108,612.90x = 163,065.15 × 69,344.10
  4. Step 4: Simplify right side
    108,612.90x = 11,307,606,068.12
  5. Step 5: Solve for x
    x = 11,307,606,068.12/108,612.90
  6. Step 6: Final answer
    x = 104,109.24

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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.