Home / 134,440.38-185,510.79-77,851.26

Finding the Fourth Proportional to 134,440.38, 185,510.79 and 77,851.26

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Solution

The fourth proportional to 134,440.38, 185,510.79 and 77,851.26 is: 107,424.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,440.38 : 185,510.79 = 77,851.26 : x
  2. Step 2: Convert to fraction form
    134,440.38/185,510.79 = 77,851.26/x
  3. Step 3: Cross multiply
    134,440.38x = 185,510.79 × 77,851.26
  4. Step 4: Simplify right side
    134,440.38x = 14,442,248,745.10
  5. Step 5: Solve for x
    x = 14,442,248,745.10/134,440.38
  6. Step 6: Final answer
    x = 107,424.93

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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.