Home / 148,220.62-222,331.23-69,390.20

Finding the Fourth Proportional to 148,220.62, 222,331.23 and 69,390.20

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Solution

The fourth proportional to 148,220.62, 222,331.23 and 69,390.20 is: 104,085.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,220.62 : 222,331.23 = 69,390.20 : x
  2. Step 2: Convert to fraction form
    148,220.62/222,331.23 = 69,390.20/x
  3. Step 3: Cross multiply
    148,220.62x = 222,331.23 × 69,390.20
  4. Step 4: Simplify right side
    148,220.62x = 15,427,609,071.77
  5. Step 5: Solve for x
    x = 15,427,609,071.77/148,220.62
  6. Step 6: Final answer
    x = 104,085.45

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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.