Home / 134,531.76-185,653.86-77,975.94

Finding the Fourth Proportional to 134,531.76, 185,653.86 and 77,975.94

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Solution

The fourth proportional to 134,531.76, 185,653.86 and 77,975.94 is: 107,606.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,531.76 : 185,653.86 = 77,975.94 : x
  2. Step 2: Convert to fraction form
    134,531.76/185,653.86 = 77,975.94/x
  3. Step 3: Cross multiply
    134,531.76x = 185,653.86 × 77,975.94
  4. Step 4: Simplify right side
    134,531.76x = 14,476,534,248.13
  5. Step 5: Solve for x
    x = 14,476,534,248.13/134,531.76
  6. Step 6: Final answer
    x = 107,606.82

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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.