Home / 147,981.21-221,973.86-48,141.93

Finding the Fourth Proportional to 147,981.21, 221,973.86 and 48,141.93

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Solution

The fourth proportional to 147,981.21, 221,973.86 and 48,141.93 is: 72,213.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,981.21 : 221,973.86 = 48,141.93 : x
  2. Step 2: Convert to fraction form
    147,981.21/221,973.86 = 48,141.93/x
  3. Step 3: Cross multiply
    147,981.21x = 221,973.86 × 48,141.93
  4. Step 4: Simplify right side
    147,981.21x = 10,686,250,029.95
  5. Step 5: Solve for x
    x = 10,686,250,029.95/147,981.21
  6. Step 6: Final answer
    x = 72,213.56

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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.