Home / 212,787.74-293,642.70-115,990.76

Finding the Fourth Proportional to 212,787.74, 293,642.70 and 115,990.76

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Solution

The fourth proportional to 212,787.74, 293,642.70 and 115,990.76 is: 160,064.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,787.74 : 293,642.70 = 115,990.76 : x
  2. Step 2: Convert to fraction form
    212,787.74/293,642.70 = 115,990.76/x
  3. Step 3: Cross multiply
    212,787.74x = 293,642.70 × 115,990.76
  4. Step 4: Simplify right side
    212,787.74x = 34,059,839,941.45
  5. Step 5: Solve for x
    x = 34,059,839,941.45/212,787.74
  6. Step 6: Final answer
    x = 160,064.86

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1.5x scale

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.