Home / 147,011.72-220,529.28-45,797.36

Finding the Fourth Proportional to 147,011.72, 220,529.28 and 45,797.36

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Solution

The fourth proportional to 147,011.72, 220,529.28 and 45,797.36 is: 68,699.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,011.72 : 220,529.28 = 45,797.36 : x
  2. Step 2: Convert to fraction form
    147,011.72/220,529.28 = 45,797.36/x
  3. Step 3: Cross multiply
    147,011.72x = 220,529.28 × 45,797.36
  4. Step 4: Simplify right side
    147,011.72x = 10,099,658,826.70
  5. Step 5: Solve for x
    x = 10,099,658,826.70/147,011.72
  6. Step 6: Final answer
    x = 68,699.68

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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.