Home / 147,628.40-221,399.40-52,847.60

Finding the Fourth Proportional to 147,628.40, 221,399.40 and 52,847.60

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Solution

The fourth proportional to 147,628.40, 221,399.40 and 52,847.60 is: 79,255.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,628.40 : 221,399.40 = 52,847.60 : x
  2. Step 2: Convert to fraction form
    147,628.40/221,399.40 = 52,847.60/x
  3. Step 3: Cross multiply
    147,628.40x = 221,399.40 × 52,847.60
  4. Step 4: Simplify right side
    147,628.40x = 11,700,426,931.44
  5. Step 5: Solve for x
    x = 11,700,426,931.44/147,628.40
  6. Step 6: Final answer
    x = 79,255.94

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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.