Home / 133,724.40-184,567.08-77,128.08

Finding the Fourth Proportional to 133,724.40, 184,567.08 and 77,128.08

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Solution

The fourth proportional to 133,724.40, 184,567.08 and 77,128.08 is: 106,452.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,724.40 : 184,567.08 = 77,128.08 : x
  2. Step 2: Convert to fraction form
    133,724.40/184,567.08 = 77,128.08/x
  3. Step 3: Cross multiply
    133,724.40x = 184,567.08 × 77,128.08
  4. Step 4: Simplify right side
    133,724.40x = 14,235,304,511.61
  5. Step 5: Solve for x
    x = 14,235,304,511.61/133,724.40
  6. Step 6: Final answer
    x = 106,452.56

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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.