Home / 146,019.52-201,681.36-103,761.28

Finding the Fourth Proportional to 146,019.52, 201,681.36 and 103,761.28

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Solution

The fourth proportional to 146,019.52, 201,681.36 and 103,761.28 is: 143,314.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,019.52 : 201,681.36 = 103,761.28 : x
  2. Step 2: Convert to fraction form
    146,019.52/201,681.36 = 103,761.28/x
  3. Step 3: Cross multiply
    146,019.52x = 201,681.36 × 103,761.28
  4. Step 4: Simplify right side
    146,019.52x = 20,926,716,065.74
  5. Step 5: Solve for x
    x = 20,926,716,065.74/146,019.52
  6. Step 6: Final answer
    x = 143,314.51

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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.