Home / 148,686.30-222,955.65-53,912.70

Finding the Fourth Proportional to 148,686.30, 222,955.65 and 53,912.70

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Solution

The fourth proportional to 148,686.30, 222,955.65 and 53,912.70 is: 80,842.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,686.30 : 222,955.65 = 53,912.70 : x
  2. Step 2: Convert to fraction form
    148,686.30/222,955.65 = 53,912.70/x
  3. Step 3: Cross multiply
    148,686.30x = 222,955.65 × 53,912.70
  4. Step 4: Simplify right side
    148,686.30x = 12,020,141,071.76
  5. Step 5: Solve for x
    x = 12,020,141,071.76/148,686.30
  6. Step 6: Final answer
    x = 80,842.29

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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.