Home / 109,208.64-150,677.76-61,459.20

Finding the Fourth Proportional to 109,208.64, 150,677.76 and 61,459.20

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Solution

The fourth proportional to 109,208.64, 150,677.76 and 61,459.20 is: 84,796.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,208.64 : 150,677.76 = 61,459.20 : x
  2. Step 2: Convert to fraction form
    109,208.64/150,677.76 = 61,459.20/x
  3. Step 3: Cross multiply
    109,208.64x = 150,677.76 × 61,459.20
  4. Step 4: Simplify right side
    109,208.64x = 9,260,534,587.39
  5. Step 5: Solve for x
    x = 9,260,534,587.39/109,208.64
  6. Step 6: Final answer
    x = 84,796.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.