Home / 91,382.60-126,134.81-53,151.14

Finding the Fourth Proportional to 91,382.60, 126,134.81 and 53,151.14

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Solution

The fourth proportional to 91,382.60, 126,134.81 and 53,151.14 is: 73,364.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,382.60 : 126,134.81 = 53,151.14 : x
  2. Step 2: Convert to fraction form
    91,382.60/126,134.81 = 53,151.14/x
  3. Step 3: Cross multiply
    91,382.60x = 126,134.81 × 53,151.14
  4. Step 4: Simplify right side
    91,382.60x = 6,704,208,048.75
  5. Step 5: Solve for x
    x = 6,704,208,048.75/91,382.60
  6. Step 6: Final answer
    x = 73,364.17

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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.