Home / 147,926.80-221,890.20-42,749.20

Finding the Fourth Proportional to 147,926.80, 221,890.20 and 42,749.20

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Solution

The fourth proportional to 147,926.80, 221,890.20 and 42,749.20 is: 64,123.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,926.80 : 221,890.20 = 42,749.20 : x
  2. Step 2: Convert to fraction form
    147,926.80/221,890.20 = 42,749.20/x
  3. Step 3: Cross multiply
    147,926.80x = 221,890.20 × 42,749.20
  4. Step 4: Simplify right side
    147,926.80x = 9,485,628,537.84
  5. Step 5: Solve for x
    x = 9,485,628,537.84/147,926.80
  6. Step 6: Final answer
    x = 64,123.80

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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.