Home / 136,994.02-189,073.78-86,014.04

Finding the Fourth Proportional to 136,994.02, 189,073.78 and 86,014.04

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Solution

The fourth proportional to 136,994.02, 189,073.78 and 86,014.04 is: 118,713.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,994.02 : 189,073.78 = 86,014.04 : x
  2. Step 2: Convert to fraction form
    136,994.02/189,073.78 = 86,014.04/x
  3. Step 3: Cross multiply
    136,994.02x = 189,073.78 × 86,014.04
  4. Step 4: Simplify right side
    136,994.02x = 16,262,998,515.47
  5. Step 5: Solve for x
    x = 16,262,998,515.47/136,994.02
  6. Step 6: Final answer
    x = 118,713.20

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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.