Home / 177,620.65-245,225.12-115,590.25

Finding the Fourth Proportional to 177,620.65, 245,225.12 and 115,590.25

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Solution

The fourth proportional to 177,620.65, 245,225.12 and 115,590.25 is: 159,585.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,620.65 : 245,225.12 = 115,590.25 : x
  2. Step 2: Convert to fraction form
    177,620.65/245,225.12 = 115,590.25/x
  3. Step 3: Cross multiply
    177,620.65x = 245,225.12 × 115,590.25
  4. Step 4: Simplify right side
    177,620.65x = 28,345,631,700.95
  5. Step 5: Solve for x
    x = 28,345,631,700.95/177,620.65
  6. Step 6: Final answer
    x = 159,585.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.