Home / 148,001.60-221,872.80-88,774.40

Finding the Fourth Proportional to 148,001.60, 221,872.80 and 88,774.40

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Solution

The fourth proportional to 148,001.60, 221,872.80 and 88,774.40 is: 133,083.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,001.60 : 221,872.80 = 88,774.40 : x
  2. Step 2: Convert to fraction form
    148,001.60/221,872.80 = 88,774.40/x
  3. Step 3: Cross multiply
    148,001.60x = 221,872.80 × 88,774.40
  4. Step 4: Simplify right side
    148,001.60x = 19,696,624,696.32
  5. Step 5: Solve for x
    x = 19,696,624,696.32/148,001.60
  6. Step 6: Final answer
    x = 133,083.86

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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.