Home / 166,720.25-250,080.78-42,061.25

Finding the Fourth Proportional to 166,720.25, 250,080.78 and 42,061.25

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Solution

The fourth proportional to 166,720.25, 250,080.78 and 42,061.25 is: 63,091.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,720.25 : 250,080.78 = 42,061.25 : x
  2. Step 2: Convert to fraction form
    166,720.25/250,080.78 = 42,061.25/x
  3. Step 3: Cross multiply
    166,720.25x = 250,080.78 × 42,061.25
  4. Step 4: Simplify right side
    166,720.25x = 10,518,710,207.78
  5. Step 5: Solve for x
    x = 10,518,710,207.78/166,720.25
  6. Step 6: Final answer
    x = 63,091.98

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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.