Home / 99,280.14-137,007.24-53,958.22

Finding the Fourth Proportional to 99,280.14, 137,007.24 and 53,958.22

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Solution

The fourth proportional to 99,280.14, 137,007.24 and 53,958.22 is: 74,462.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,280.14 : 137,007.24 = 53,958.22 : x
  2. Step 2: Convert to fraction form
    99,280.14/137,007.24 = 53,958.22/x
  3. Step 3: Cross multiply
    99,280.14x = 137,007.24 × 53,958.22
  4. Step 4: Simplify right side
    99,280.14x = 7,392,666,797.51
  5. Step 5: Solve for x
    x = 7,392,666,797.51/99,280.14
  6. Step 6: Final answer
    x = 74,462.70

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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.