Home / 159,052.02-219,494.93-87,438.71

Finding the Fourth Proportional to 159,052.02, 219,494.93 and 87,438.71

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Solution

The fourth proportional to 159,052.02, 219,494.93 and 87,438.71 is: 120,667.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,052.02 : 219,494.93 = 87,438.71 : x
  2. Step 2: Convert to fraction form
    159,052.02/219,494.93 = 87,438.71/x
  3. Step 3: Cross multiply
    159,052.02x = 219,494.93 × 87,438.71
  4. Step 4: Simplify right side
    159,052.02x = 19,192,351,996.07
  5. Step 5: Solve for x
    x = 19,192,351,996.07/159,052.02
  6. Step 6: Final answer
    x = 120,667.14

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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.