Home / 212,086.81-292,685.39-116,595.91

Finding the Fourth Proportional to 212,086.81, 292,685.39 and 116,595.91

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Solution

The fourth proportional to 212,086.81, 292,685.39 and 116,595.91 is: 160,905.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,086.81 : 292,685.39 = 116,595.91 : x
  2. Step 2: Convert to fraction form
    212,086.81/292,685.39 = 116,595.91/x
  3. Step 3: Cross multiply
    212,086.81x = 292,685.39 × 116,595.91
  4. Step 4: Simplify right side
    212,086.81x = 34,125,919,390.75
  5. Step 5: Solve for x
    x = 34,125,919,390.75/212,086.81
  6. Step 6: Final answer
    x = 160,905.43

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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.