Home / 126,864.81-175,084.11-70,281.45

Finding the Fourth Proportional to 126,864.81, 175,084.11 and 70,281.45

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Solution

The fourth proportional to 126,864.81, 175,084.11 and 70,281.45 is: 96,994.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,864.81 : 175,084.11 = 70,281.45 : x
  2. Step 2: Convert to fraction form
    126,864.81/175,084.11 = 70,281.45/x
  3. Step 3: Cross multiply
    126,864.81x = 175,084.11 × 70,281.45
  4. Step 4: Simplify right side
    126,864.81x = 12,305,165,122.76
  5. Step 5: Solve for x
    x = 12,305,165,122.76/126,864.81
  6. Step 6: Final answer
    x = 96,994.31

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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.