Home / 177,619.15-245,223.05-115,588.74

Finding the Fourth Proportional to 177,619.15, 245,223.05 and 115,588.74

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Solution

The fourth proportional to 177,619.15, 245,223.05 and 115,588.74 is: 159,583.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,619.15 : 245,223.05 = 115,588.74 : x
  2. Step 2: Convert to fraction form
    177,619.15/245,223.05 = 115,588.74/x
  3. Step 3: Cross multiply
    177,619.15x = 245,223.05 × 115,588.74
  4. Step 4: Simplify right side
    177,619.15x = 28,345,024,355.35
  5. Step 5: Solve for x
    x = 28,345,024,355.35/177,619.15
  6. Step 6: Final answer
    x = 159,583.15

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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.