Home / 177,705.10-266,460.45-72,405.10

Finding the Fourth Proportional to 177,705.10, 266,460.45 and 72,405.10

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Solution

The fourth proportional to 177,705.10, 266,460.45 and 72,405.10 is: 108,568.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,705.10 : 266,460.45 = 72,405.10 : x
  2. Step 2: Convert to fraction form
    177,705.10/266,460.45 = 72,405.10/x
  3. Step 3: Cross multiply
    177,705.10x = 266,460.45 × 72,405.10
  4. Step 4: Simplify right side
    177,705.10x = 19,293,095,528.30
  5. Step 5: Solve for x
    x = 19,293,095,528.30/177,705.10
  6. Step 6: Final answer
    x = 108,568.05

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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.