Home / 177,320.30-265,980.45-72,214.70

Finding the Fourth Proportional to 177,320.30, 265,980.45 and 72,214.70

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Solution

The fourth proportional to 177,320.30, 265,980.45 and 72,214.70 is: 108,322.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,320.30 : 265,980.45 = 72,214.70 : x
  2. Step 2: Convert to fraction form
    177,320.30/265,980.45 = 72,214.70/x
  3. Step 3: Cross multiply
    177,320.30x = 265,980.45 × 72,214.70
  4. Step 4: Simplify right side
    177,320.30x = 19,207,698,402.62
  5. Step 5: Solve for x
    x = 19,207,698,402.62/177,320.30
  6. Step 6: Final answer
    x = 108,322.05

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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.