Home / 147,928.32-221,903.82-42,748.20

Finding the Fourth Proportional to 147,928.32, 221,903.82 and 42,748.20

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Solution

The fourth proportional to 147,928.32, 221,903.82 and 42,748.20 is: 64,125.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,928.32 : 221,903.82 = 42,748.20 : x
  2. Step 2: Convert to fraction form
    147,928.32/221,903.82 = 42,748.20/x
  3. Step 3: Cross multiply
    147,928.32x = 221,903.82 × 42,748.20
  4. Step 4: Simplify right side
    147,928.32x = 9,485,988,878.12
  5. Step 5: Solve for x
    x = 9,485,988,878.12/147,928.32
  6. Step 6: Final answer
    x = 64,125.58

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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.