Home / 212,989.14-293,872.59-130,182.17

Finding the Fourth Proportional to 212,989.14, 293,872.59 and 130,182.17

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Solution

The fourth proportional to 212,989.14, 293,872.59 and 130,182.17 is: 179,619.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,989.14 : 293,872.59 = 130,182.17 : x
  2. Step 2: Convert to fraction form
    212,989.14/293,872.59 = 130,182.17/x
  3. Step 3: Cross multiply
    212,989.14x = 293,872.59 × 130,182.17
  4. Step 4: Simplify right side
    212,989.14x = 38,256,970,000.36
  5. Step 5: Solve for x
    x = 38,256,970,000.36/212,989.14
  6. Step 6: Final answer
    x = 179,619.35

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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.