Home / 131,377.20-181,300.53-70,947.84

Finding the Fourth Proportional to 131,377.20, 181,300.53 and 70,947.84

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Solution

The fourth proportional to 131,377.20, 181,300.53 and 70,947.84 is: 97,908.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,377.20 : 181,300.53 = 70,947.84 : x
  2. Step 2: Convert to fraction form
    131,377.20/181,300.53 = 70,947.84/x
  3. Step 3: Cross multiply
    131,377.20x = 181,300.53 × 70,947.84
  4. Step 4: Simplify right side
    131,377.20x = 12,862,880,994.36
  5. Step 5: Solve for x
    x = 12,862,880,994.36/131,377.20
  6. Step 6: Final answer
    x = 97,908.02

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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.