Home / 108,705.04-163,025.94-42,130.30

Finding the Fourth Proportional to 108,705.04, 163,025.94 and 42,130.30

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Solution

The fourth proportional to 108,705.04, 163,025.94 and 42,130.30 is: 63,183.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,705.04 : 163,025.94 = 42,130.30 : x
  2. Step 2: Convert to fraction form
    108,705.04/163,025.94 = 42,130.30/x
  3. Step 3: Cross multiply
    108,705.04x = 163,025.94 × 42,130.30
  4. Step 4: Simplify right side
    108,705.04x = 6,868,331,759.98
  5. Step 5: Solve for x
    x = 6,868,331,759.98/108,705.04
  6. Step 6: Final answer
    x = 63,183.20

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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.