Home / 177,615.10-266,455.05-72,444.70

Finding the Fourth Proportional to 177,615.10, 266,455.05 and 72,444.70

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Solution

The fourth proportional to 177,615.10, 266,455.05 and 72,444.70 is: 108,680.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,615.10 : 266,455.05 = 72,444.70 : x
  2. Step 2: Convert to fraction form
    177,615.10/266,455.05 = 72,444.70/x
  3. Step 3: Cross multiply
    177,615.10x = 266,455.05 × 72,444.70
  4. Step 4: Simplify right side
    177,615.10x = 19,303,256,160.74
  5. Step 5: Solve for x
    x = 19,303,256,160.74/177,615.10
  6. Step 6: Final answer
    x = 108,680.27

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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.