Home / 147,656.40-221,441.40-52,875.60

Finding the Fourth Proportional to 147,656.40, 221,441.40 and 52,875.60

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Solution

The fourth proportional to 147,656.40, 221,441.40 and 52,875.60 is: 79,297.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,656.40 : 221,441.40 = 52,875.60 : x
  2. Step 2: Convert to fraction form
    147,656.40/221,441.40 = 52,875.60/x
  3. Step 3: Cross multiply
    147,656.40x = 221,441.40 × 52,875.60
  4. Step 4: Simplify right side
    147,656.40x = 11,708,846,889.84
  5. Step 5: Solve for x
    x = 11,708,846,889.84/147,656.40
  6. Step 6: Final answer
    x = 79,297.93

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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.