Home / 147,905.60-221,858.40-42,735.20

Finding the Fourth Proportional to 147,905.60, 221,858.40 and 42,735.20

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Solution

The fourth proportional to 147,905.60, 221,858.40 and 42,735.20 is: 64,102.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,905.60 : 221,858.40 = 42,735.20 : x
  2. Step 2: Convert to fraction form
    147,905.60/221,858.40 = 42,735.20/x
  3. Step 3: Cross multiply
    147,905.60x = 221,858.40 × 42,735.20
  4. Step 4: Simplify right side
    147,905.60x = 9,481,163,095.68
  5. Step 5: Solve for x
    x = 9,481,163,095.68/147,905.60
  6. Step 6: Final answer
    x = 64,102.80

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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.