Home / 134,551.06-185,678.13-77,967.70

Finding the Fourth Proportional to 134,551.06, 185,678.13 and 77,967.70

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Solution

The fourth proportional to 134,551.06, 185,678.13 and 77,967.70 is: 107,594.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,551.06 : 185,678.13 = 77,967.70 : x
  2. Step 2: Convert to fraction form
    134,551.06/185,678.13 = 77,967.70/x
  3. Step 3: Cross multiply
    134,551.06x = 185,678.13 × 77,967.70
  4. Step 4: Simplify right side
    134,551.06x = 14,476,896,736.40
  5. Step 5: Solve for x
    x = 14,476,896,736.40/134,551.06
  6. Step 6: Final answer
    x = 107,594.07

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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.