Home / 148,431.40-222,703.50-89,307.88

Finding the Fourth Proportional to 148,431.40, 222,703.50 and 89,307.88

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Solution

The fourth proportional to 148,431.40, 222,703.50 and 89,307.88 is: 133,995.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,431.40 : 222,703.50 = 89,307.88 : x
  2. Step 2: Convert to fraction form
    148,431.40/222,703.50 = 89,307.88/x
  3. Step 3: Cross multiply
    148,431.40x = 222,703.50 × 89,307.88
  4. Step 4: Simplify right side
    148,431.40x = 19,889,177,453.58
  5. Step 5: Solve for x
    x = 19,889,177,453.58/148,431.40
  6. Step 6: Final answer
    x = 133,995.75

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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.