Home / 77,808.78-116,688.69-25,206.06

Finding the Fourth Proportional to 77,808.78, 116,688.69 and 25,206.06

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Solution

The fourth proportional to 77,808.78, 116,688.69 and 25,206.06 is: 37,801.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,808.78 : 116,688.69 = 25,206.06 : x
  2. Step 2: Convert to fraction form
    77,808.78/116,688.69 = 25,206.06/x
  3. Step 3: Cross multiply
    77,808.78x = 116,688.69 × 25,206.06
  4. Step 4: Simplify right side
    77,808.78x = 2,941,262,121.46
  5. Step 5: Solve for x
    x = 2,941,262,121.46/77,808.78
  6. Step 6: Final answer
    x = 37,801.16

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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.