Home / 158,595.24-218,867.75-86,977.87

Finding the Fourth Proportional to 158,595.24, 218,867.75 and 86,977.87

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Solution

The fourth proportional to 158,595.24, 218,867.75 and 86,977.87 is: 120,032.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,595.24 : 218,867.75 = 86,977.87 : x
  2. Step 2: Convert to fraction form
    158,595.24/218,867.75 = 86,977.87/x
  3. Step 3: Cross multiply
    158,595.24x = 218,867.75 × 86,977.87
  4. Step 4: Simplify right side
    158,595.24x = 19,036,650,706.69
  5. Step 5: Solve for x
    x = 19,036,650,706.69/158,595.24
  6. Step 6: Final answer
    x = 120,032.93

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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.