Home / 126,870.75-175,081.65-70,285.77

Finding the Fourth Proportional to 126,870.75, 175,081.65 and 70,285.77

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Solution

The fourth proportional to 126,870.75, 175,081.65 and 70,285.77 is: 96,994.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,870.75 : 175,081.65 = 70,285.77 : x
  2. Step 2: Convert to fraction form
    126,870.75/175,081.65 = 70,285.77/x
  3. Step 3: Cross multiply
    126,870.75x = 175,081.65 × 70,285.77
  4. Step 4: Simplify right side
    126,870.75x = 12,305,748,583.12
  5. Step 5: Solve for x
    x = 12,305,748,583.12/126,870.75
  6. Step 6: Final answer
    x = 96,994.37

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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.