Home / 108,998.20-163,601.70-56,445.40

Finding the Fourth Proportional to 108,998.20, 163,601.70 and 56,445.40

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Solution

The fourth proportional to 108,998.20, 163,601.70 and 56,445.40 is: 84,722.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,998.20 : 163,601.70 = 56,445.40 : x
  2. Step 2: Convert to fraction form
    108,998.20/163,601.70 = 56,445.40/x
  3. Step 3: Cross multiply
    108,998.20x = 163,601.70 × 56,445.40
  4. Step 4: Simplify right side
    108,998.20x = 9,234,563,397.18
  5. Step 5: Solve for x
    x = 9,234,563,397.18/108,998.20
  6. Step 6: Final answer
    x = 84,722.16

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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.