Home / 165,089.30-247,633.95-155,247.80

Finding the Fourth Proportional to 165,089.30, 247,633.95 and 155,247.80

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Solution

The fourth proportional to 165,089.30, 247,633.95 and 155,247.80 is: 232,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,089.30 : 247,633.95 = 155,247.80 : x
  2. Step 2: Convert to fraction form
    165,089.30/247,633.95 = 155,247.80/x
  3. Step 3: Cross multiply
    165,089.30x = 247,633.95 × 155,247.80
  4. Step 4: Simplify right side
    165,089.30x = 38,444,625,942.81
  5. Step 5: Solve for x
    x = 38,444,625,942.81/165,089.30
  6. Step 6: Final answer
    x = 232,871.70

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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.