Home / 99,600.78-137,445.58-54,277.83

Finding the Fourth Proportional to 99,600.78, 137,445.58 and 54,277.83

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Solution

The fourth proportional to 99,600.78, 137,445.58 and 54,277.83 is: 74,901.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,600.78 : 137,445.58 = 54,277.83 : x
  2. Step 2: Convert to fraction form
    99,600.78/137,445.58 = 54,277.83/x
  3. Step 3: Cross multiply
    99,600.78x = 137,445.58 × 54,277.83
  4. Step 4: Simplify right side
    99,600.78x = 7,460,247,825.49
  5. Step 5: Solve for x
    x = 7,460,247,825.49/99,600.78
  6. Step 6: Final answer
    x = 74,901.50

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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.