Home / 115,239.22-172,864.31-56,004.33

Finding the Fourth Proportional to 115,239.22, 172,864.31 and 56,004.33

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Solution

The fourth proportional to 115,239.22, 172,864.31 and 56,004.33 is: 84,009.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,239.22 : 172,864.31 = 56,004.33 : x
  2. Step 2: Convert to fraction form
    115,239.22/172,864.31 = 56,004.33/x
  3. Step 3: Cross multiply
    115,239.22x = 172,864.31 × 56,004.33
  4. Step 4: Simplify right side
    115,239.22x = 9,681,149,862.46
  5. Step 5: Solve for x
    x = 9,681,149,862.46/115,239.22
  6. Step 6: Final answer
    x = 84,009.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.