Home / 212,039.29-292,682.42-135,763.84

Finding the Fourth Proportional to 212,039.29, 292,682.42 and 135,763.84

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Solution

The fourth proportional to 212,039.29, 292,682.42 and 135,763.84 is: 187,397.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,039.29 : 292,682.42 = 135,763.84 : x
  2. Step 2: Convert to fraction form
    212,039.29/292,682.42 = 135,763.84/x
  3. Step 3: Cross multiply
    212,039.29x = 292,682.42 × 135,763.84
  4. Step 4: Simplify right side
    212,039.29x = 39,735,689,239.69
  5. Step 5: Solve for x
    x = 39,735,689,239.69/212,039.29
  6. Step 6: Final answer
    x = 187,397.77

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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.