Home / 142,811.91-214,006.73-134,823.89

Finding the Fourth Proportional to 142,811.91, 214,006.73 and 134,823.89

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Solution

The fourth proportional to 142,811.91, 214,006.73 and 134,823.89 is: 202,036.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,811.91 : 214,006.73 = 134,823.89 : x
  2. Step 2: Convert to fraction form
    142,811.91/214,006.73 = 134,823.89/x
  3. Step 3: Cross multiply
    142,811.91x = 214,006.73 × 134,823.89
  4. Step 4: Simplify right side
    142,811.91x = 28,853,219,685.68
  5. Step 5: Solve for x
    x = 28,853,219,685.68/142,811.91
  6. Step 6: Final answer
    x = 202,036.51

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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.