Home / 148,688.80-222,959.40-53,915.20

Finding the Fourth Proportional to 148,688.80, 222,959.40 and 53,915.20

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Solution

The fourth proportional to 148,688.80, 222,959.40 and 53,915.20 is: 80,846.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,688.80 : 222,959.40 = 53,915.20 : x
  2. Step 2: Convert to fraction form
    148,688.80/222,959.40 = 53,915.20/x
  3. Step 3: Cross multiply
    148,688.80x = 222,959.40 × 53,915.20
  4. Step 4: Simplify right side
    148,688.80x = 12,020,900,642.88
  5. Step 5: Solve for x
    x = 12,020,900,642.88/148,688.80
  6. Step 6: Final answer
    x = 80,846.04

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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.