Home / 212,733.92-319,138.81-70,587.73

Finding the Fourth Proportional to 212,733.92, 319,138.81 and 70,587.73

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Solution

The fourth proportional to 212,733.92, 319,138.81 and 70,587.73 is: 105,894.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,733.92 : 319,138.81 = 70,587.73 : x
  2. Step 2: Convert to fraction form
    212,733.92/319,138.81 = 70,587.73/x
  3. Step 3: Cross multiply
    212,733.92x = 319,138.81 × 70,587.73
  4. Step 4: Simplify right side
    212,733.92x = 22,527,283,676.21
  5. Step 5: Solve for x
    x = 22,527,283,676.21/212,733.92
  6. Step 6: Final answer
    x = 105,894.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.