Home / 154,565.19-213,212.79-90,026.82

Finding the Fourth Proportional to 154,565.19, 213,212.79 and 90,026.82

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Solution

The fourth proportional to 154,565.19, 213,212.79 and 90,026.82 is: 124,186.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,565.19 : 213,212.79 = 90,026.82 : x
  2. Step 2: Convert to fraction form
    154,565.19/213,212.79 = 90,026.82/x
  3. Step 3: Cross multiply
    154,565.19x = 213,212.79 × 90,026.82
  4. Step 4: Simplify right side
    154,565.19x = 19,194,869,467.03
  5. Step 5: Solve for x
    x = 19,194,869,467.03/154,565.19
  6. Step 6: Final answer
    x = 124,186.24

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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.