Home / 150,804.88-208,127.38-86,280.10

Finding the Fourth Proportional to 150,804.88, 208,127.38 and 86,280.10

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Solution

The fourth proportional to 150,804.88, 208,127.38 and 86,280.10 is: 119,076.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,804.88 : 208,127.38 = 86,280.10 : x
  2. Step 2: Convert to fraction form
    150,804.88/208,127.38 = 86,280.10/x
  3. Step 3: Cross multiply
    150,804.88x = 208,127.38 × 86,280.10
  4. Step 4: Simplify right side
    150,804.88x = 17,957,251,159.14
  5. Step 5: Solve for x
    x = 17,957,251,159.14/150,804.88
  6. Step 6: Final answer
    x = 119,076.06

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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.