Home / 147,664.60-221,529.30-47,807.80

Finding the Fourth Proportional to 147,664.60, 221,529.30 and 47,807.80

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Solution

The fourth proportional to 147,664.60, 221,529.30 and 47,807.80 is: 71,722.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,664.60 : 221,529.30 = 47,807.80 : x
  2. Step 2: Convert to fraction form
    147,664.60/221,529.30 = 47,807.80/x
  3. Step 3: Cross multiply
    147,664.60x = 221,529.30 × 47,807.80
  4. Step 4: Simplify right side
    147,664.60x = 10,590,828,468.54
  5. Step 5: Solve for x
    x = 10,590,828,468.54/147,664.60
  6. Step 6: Final answer
    x = 71,722.19

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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.