Home / 99,877.74-137,860.83-57,466.14

Finding the Fourth Proportional to 99,877.74, 137,860.83 and 57,466.14

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Solution

The fourth proportional to 99,877.74, 137,860.83 and 57,466.14 is: 79,320.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,877.74 : 137,860.83 = 57,466.14 : x
  2. Step 2: Convert to fraction form
    99,877.74/137,860.83 = 57,466.14/x
  3. Step 3: Cross multiply
    99,877.74x = 137,860.83 × 57,466.14
  4. Step 4: Simplify right side
    99,877.74x = 7,922,329,757.30
  5. Step 5: Solve for x
    x = 7,922,329,757.30/99,877.74
  6. Step 6: Final answer
    x = 79,320.27

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1.5x scale

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.