Home / 146,542.77-202,257.81-86,132.97

Finding the Fourth Proportional to 146,542.77, 202,257.81 and 86,132.97

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Solution

The fourth proportional to 146,542.77, 202,257.81 and 86,132.97 is: 118,880.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,542.77 : 202,257.81 = 86,132.97 : x
  2. Step 2: Convert to fraction form
    146,542.77/202,257.81 = 86,132.97/x
  3. Step 3: Cross multiply
    146,542.77x = 202,257.81 × 86,132.97
  4. Step 4: Simplify right side
    146,542.77x = 17,421,065,881.00
  5. Step 5: Solve for x
    x = 17,421,065,881.00/146,542.77
  6. Step 6: Final answer
    x = 118,880.42

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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.