Home / 146,719.36-202,473.56-86,292.55

Finding the Fourth Proportional to 146,719.36, 202,473.56 and 86,292.55

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Solution

The fourth proportional to 146,719.36, 202,473.56 and 86,292.55 is: 119,084.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,719.36 : 202,473.56 = 86,292.55 : x
  2. Step 2: Convert to fraction form
    146,719.36/202,473.56 = 86,292.55/x
  3. Step 3: Cross multiply
    146,719.36x = 202,473.56 × 86,292.55
  4. Step 4: Simplify right side
    146,719.36x = 17,471,960,268.80
  5. Step 5: Solve for x
    x = 17,471,960,268.80/146,719.36
  6. Step 6: Final answer
    x = 119,084.22

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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.