Home / 154,859.61-232,286.67-42,539.39

Finding the Fourth Proportional to 154,859.61, 232,286.67 and 42,539.39

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Solution

The fourth proportional to 154,859.61, 232,286.67 and 42,539.39 is: 63,808.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,859.61 : 232,286.67 = 42,539.39 : x
  2. Step 2: Convert to fraction form
    154,859.61/232,286.67 = 42,539.39/x
  3. Step 3: Cross multiply
    154,859.61x = 232,286.67 × 42,539.39
  4. Step 4: Simplify right side
    154,859.61x = 9,881,333,246.93
  5. Step 5: Solve for x
    x = 9,881,333,246.93/154,859.61
  6. Step 6: Final answer
    x = 63,808.33

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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.