Home / 177,612.10-266,450.55-72,441.70

Finding the Fourth Proportional to 177,612.10, 266,450.55 and 72,441.70

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Solution

The fourth proportional to 177,612.10, 266,450.55 and 72,441.70 is: 108,675.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,612.10 : 266,450.55 = 72,441.70 : x
  2. Step 2: Convert to fraction form
    177,612.10/266,450.55 = 72,441.70/x
  3. Step 3: Cross multiply
    177,612.10x = 266,450.55 × 72,441.70
  4. Step 4: Simplify right side
    177,612.10x = 19,302,130,807.94
  5. Step 5: Solve for x
    x = 19,302,130,807.94/177,612.10
  6. Step 6: Final answer
    x = 108,675.76

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1.5x scale

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.