Home / 99,313.74-137,051.31-53,992.86

Finding the Fourth Proportional to 99,313.74, 137,051.31 and 53,992.86

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Solution

The fourth proportional to 99,313.74, 137,051.31 and 53,992.86 is: 74,509.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,313.74 : 137,051.31 = 53,992.86 : x
  2. Step 2: Convert to fraction form
    99,313.74/137,051.31 = 53,992.86/x
  3. Step 3: Cross multiply
    99,313.74x = 137,051.31 × 53,992.86
  4. Step 4: Simplify right side
    99,313.74x = 7,399,792,193.65
  5. Step 5: Solve for x
    x = 7,399,792,193.65/99,313.74
  6. Step 6: Final answer
    x = 74,509.25

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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.