Home / 150,799.88-208,120.48-86,275.10

Finding the Fourth Proportional to 150,799.88, 208,120.48 and 86,275.10

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Solution

The fourth proportional to 150,799.88, 208,120.48 and 86,275.10 is: 119,069.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,799.88 : 208,120.48 = 86,275.10 : x
  2. Step 2: Convert to fraction form
    150,799.88/208,120.48 = 86,275.10/x
  3. Step 3: Cross multiply
    150,799.88x = 208,120.48 × 86,275.10
  4. Step 4: Simplify right side
    150,799.88x = 17,955,615,224.05
  5. Step 5: Solve for x
    x = 17,955,615,224.05/150,799.88
  6. Step 6: Final answer
    x = 119,069.16

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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.