Home / 108,770.05-163,159.50-51,814.68

Finding the Fourth Proportional to 108,770.05, 163,159.50 and 51,814.68

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Solution

The fourth proportional to 108,770.05, 163,159.50 and 51,814.68 is: 77,724.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,770.05 : 163,159.50 = 51,814.68 : x
  2. Step 2: Convert to fraction form
    108,770.05/163,159.50 = 51,814.68/x
  3. Step 3: Cross multiply
    108,770.05x = 163,159.50 × 51,814.68
  4. Step 4: Simplify right side
    108,770.05x = 8,454,057,281.46
  5. Step 5: Solve for x
    x = 8,454,057,281.46/108,770.05
  6. Step 6: Final answer
    x = 77,724.13

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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.