Home / 147,948.75-221,924.74-42,768.63

Finding the Fourth Proportional to 147,948.75, 221,924.74 and 42,768.63

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Solution

The fourth proportional to 147,948.75, 221,924.74 and 42,768.63 is: 64,153.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,948.75 : 221,924.74 = 42,768.63 : x
  2. Step 2: Convert to fraction form
    147,948.75/221,924.74 = 42,768.63/x
  3. Step 3: Cross multiply
    147,948.75x = 221,924.74 × 42,768.63
  4. Step 4: Simplify right side
    147,948.75x = 9,491,417,092.91
  5. Step 5: Solve for x
    x = 9,491,417,092.91/147,948.75
  6. Step 6: Final answer
    x = 64,153.41

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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.