Home / 107,643.75-148,532.57-64,614.12

Finding the Fourth Proportional to 107,643.75, 148,532.57 and 64,614.12

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Solution

The fourth proportional to 107,643.75, 148,532.57 and 64,614.12 is: 89,158.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,643.75 : 148,532.57 = 64,614.12 : x
  2. Step 2: Convert to fraction form
    107,643.75/148,532.57 = 64,614.12/x
  3. Step 3: Cross multiply
    107,643.75x = 148,532.57 × 64,614.12
  4. Step 4: Simplify right side
    107,643.75x = 9,597,300,664.12
  5. Step 5: Solve for x
    x = 9,597,300,664.12/107,643.75
  6. Step 6: Final answer
    x = 89,158.00

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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.