Home / 125,041.29-172,193.44-108,681.31

Finding the Fourth Proportional to 125,041.29, 172,193.44 and 108,681.31

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Solution

The fourth proportional to 125,041.29, 172,193.44 and 108,681.31 is: 149,664.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,041.29 : 172,193.44 = 108,681.31 : x
  2. Step 2: Convert to fraction form
    125,041.29/172,193.44 = 108,681.31/x
  3. Step 3: Cross multiply
    125,041.29x = 172,193.44 × 108,681.31
  4. Step 4: Simplify right side
    125,041.29x = 18,714,208,632.61
  5. Step 5: Solve for x
    x = 18,714,208,632.61/125,041.29
  6. Step 6: Final answer
    x = 149,664.23

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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.