Home / 147,822.84-221,709.96-42,613.56

Finding the Fourth Proportional to 147,822.84, 221,709.96 and 42,613.56

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Solution

The fourth proportional to 147,822.84, 221,709.96 and 42,613.56 is: 63,913.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,822.84 : 221,709.96 = 42,613.56 : x
  2. Step 2: Convert to fraction form
    147,822.84/221,709.96 = 42,613.56/x
  3. Step 3: Cross multiply
    147,822.84x = 221,709.96 × 42,613.56
  4. Step 4: Simplify right side
    147,822.84x = 9,447,850,683.06
  5. Step 5: Solve for x
    x = 9,447,850,683.06/147,822.84
  6. Step 6: Final answer
    x = 63,913.33

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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.