Home / 177,890.40-266,835.60-170,017.20

Finding the Fourth Proportional to 177,890.40, 266,835.60 and 170,017.20

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Solution

The fourth proportional to 177,890.40, 266,835.60 and 170,017.20 is: 255,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,890.40 : 266,835.60 = 170,017.20 : x
  2. Step 2: Convert to fraction form
    177,890.40/266,835.60 = 170,017.20/x
  3. Step 3: Cross multiply
    177,890.40x = 266,835.60 × 170,017.20
  4. Step 4: Simplify right side
    177,890.40x = 45,366,641,572.32
  5. Step 5: Solve for x
    x = 45,366,641,572.32/177,890.40
  6. Step 6: Final answer
    x = 255,025.80

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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.