Home / 150,826.59-208,090.06-85,406.51

Finding the Fourth Proportional to 150,826.59, 208,090.06 and 85,406.51

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Solution

The fourth proportional to 150,826.59, 208,090.06 and 85,406.51 is: 117,832.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,826.59 : 208,090.06 = 85,406.51 : x
  2. Step 2: Convert to fraction form
    150,826.59/208,090.06 = 85,406.51/x
  3. Step 3: Cross multiply
    150,826.59x = 208,090.06 × 85,406.51
  4. Step 4: Simplify right side
    150,826.59x = 17,772,246,097.00
  5. Step 5: Solve for x
    x = 17,772,246,097.00/150,826.59
  6. Step 6: Final answer
    x = 117,832.31

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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.