Home / 97,132.98-134,039.84-54,111.44

Finding the Fourth Proportional to 97,132.98, 134,039.84 and 54,111.44

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Solution

The fourth proportional to 97,132.98, 134,039.84 and 54,111.44 is: 74,671.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,132.98 : 134,039.84 = 54,111.44 : x
  2. Step 2: Convert to fraction form
    97,132.98/134,039.84 = 54,111.44/x
  3. Step 3: Cross multiply
    97,132.98x = 134,039.84 × 54,111.44
  4. Step 4: Simplify right side
    97,132.98x = 7,253,088,759.77
  5. Step 5: Solve for x
    x = 7,253,088,759.77/97,132.98
  6. Step 6: Final answer
    x = 74,671.74

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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.