Home / 155,429.70-233,176.95-88,815.30

Finding the Fourth Proportional to 155,429.70, 233,176.95 and 88,815.30

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Solution

The fourth proportional to 155,429.70, 233,176.95 and 88,815.30 is: 133,241.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,429.70 : 233,176.95 = 88,815.30 : x
  2. Step 2: Convert to fraction form
    155,429.70/233,176.95 = 88,815.30/x
  3. Step 3: Cross multiply
    155,429.70x = 233,176.95 × 88,815.30
  4. Step 4: Simplify right side
    155,429.70x = 20,709,680,767.34
  5. Step 5: Solve for x
    x = 20,709,680,767.34/155,429.70
  6. Step 6: Final answer
    x = 133,241.46

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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.