Home / 108,936.64-163,342.08-42,298.90

Finding the Fourth Proportional to 108,936.64, 163,342.08 and 42,298.90

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Solution

The fourth proportional to 108,936.64, 163,342.08 and 42,298.90 is: 63,423.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,936.64 : 163,342.08 = 42,298.90 : x
  2. Step 2: Convert to fraction form
    108,936.64/163,342.08 = 42,298.90/x
  3. Step 3: Cross multiply
    108,936.64x = 163,342.08 × 42,298.90
  4. Step 4: Simplify right side
    108,936.64x = 6,909,189,899.36
  5. Step 5: Solve for x
    x = 6,909,189,899.36/108,936.64
  6. Step 6: Final answer
    x = 63,423.93

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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.