Home / 99,477.41-137,277.47-54,155.79

Finding the Fourth Proportional to 99,477.41, 137,277.47 and 54,155.79

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Solution

The fourth proportional to 99,477.41, 137,277.47 and 54,155.79 is: 74,734.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,477.41 : 137,277.47 = 54,155.79 : x
  2. Step 2: Convert to fraction form
    99,477.41/137,277.47 = 54,155.79/x
  3. Step 3: Cross multiply
    99,477.41x = 137,277.47 × 54,155.79
  4. Step 4: Simplify right side
    99,477.41x = 7,434,368,879.89
  5. Step 5: Solve for x
    x = 7,434,368,879.89/99,477.41
  6. Step 6: Final answer
    x = 74,734.24

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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.