Home / 147,223.36-220,870.28-47,392.89

Finding the Fourth Proportional to 147,223.36, 220,870.28 and 47,392.89

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Solution

The fourth proportional to 147,223.36, 220,870.28 and 47,392.89 is: 71,100.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,223.36 : 220,870.28 = 47,392.89 : x
  2. Step 2: Convert to fraction form
    147,223.36/220,870.28 = 47,392.89/x
  3. Step 3: Cross multiply
    147,223.36x = 220,870.28 × 47,392.89
  4. Step 4: Simplify right side
    147,223.36x = 10,467,680,884.31
  5. Step 5: Solve for x
    x = 10,467,680,884.31/147,223.36
  6. Step 6: Final answer
    x = 71,100.68

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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.