Home / 108,798.42-163,079.55-42,218.94

Finding the Fourth Proportional to 108,798.42, 163,079.55 and 42,218.94

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Solution

The fourth proportional to 108,798.42, 163,079.55 and 42,218.94 is: 63,282.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,798.42 : 163,079.55 = 42,218.94 : x
  2. Step 2: Convert to fraction form
    108,798.42/163,079.55 = 42,218.94/x
  3. Step 3: Cross multiply
    108,798.42x = 163,079.55 × 42,218.94
  4. Step 4: Simplify right side
    108,798.42x = 6,885,045,736.68
  5. Step 5: Solve for x
    x = 6,885,045,736.68/108,798.42
  6. Step 6: Final answer
    x = 63,282.59

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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.