Home / 99,252.81-148,901.09-54,944.19

Finding the Fourth Proportional to 99,252.81, 148,901.09 and 54,944.19

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Solution

The fourth proportional to 99,252.81, 148,901.09 and 54,944.19 is: 82,428.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,252.81 : 148,901.09 = 54,944.19 : x
  2. Step 2: Convert to fraction form
    99,252.81/148,901.09 = 54,944.19/x
  3. Step 3: Cross multiply
    99,252.81x = 148,901.09 × 54,944.19
  4. Step 4: Simplify right side
    99,252.81x = 8,181,249,505.45
  5. Step 5: Solve for x
    x = 8,181,249,505.45/99,252.81
  6. Step 6: Final answer
    x = 82,428.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.