Home / 103,087.05-154,630.59-28,204.17

Finding the Fourth Proportional to 103,087.05, 154,630.59 and 28,204.17

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Solution

The fourth proportional to 103,087.05, 154,630.59 and 28,204.17 is: 42,306.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,087.05 : 154,630.59 = 28,204.17 : x
  2. Step 2: Convert to fraction form
    103,087.05/154,630.59 = 28,204.17/x
  3. Step 3: Cross multiply
    103,087.05x = 154,630.59 × 28,204.17
  4. Step 4: Simplify right side
    103,087.05x = 4,361,226,761.93
  5. Step 5: Solve for x
    x = 4,361,226,761.93/103,087.05
  6. Step 6: Final answer
    x = 42,306.25

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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.