Home / 147,346.87-221,021.85-117,951.56

Finding the Fourth Proportional to 147,346.87, 221,021.85 and 117,951.56

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Solution

The fourth proportional to 147,346.87, 221,021.85 and 117,951.56 is: 176,928.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,346.87 : 221,021.85 = 117,951.56 : x
  2. Step 2: Convert to fraction form
    147,346.87/221,021.85 = 117,951.56/x
  3. Step 3: Cross multiply
    147,346.87x = 221,021.85 × 117,951.56
  4. Step 4: Simplify right side
    147,346.87x = 26,069,871,411.83
  5. Step 5: Solve for x
    x = 26,069,871,411.83/147,346.87
  6. Step 6: Final answer
    x = 176,928.58

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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.