Home / 147,643.52-221,500.55-47,803.82

Finding the Fourth Proportional to 147,643.52, 221,500.55 and 47,803.82

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Solution

The fourth proportional to 147,643.52, 221,500.55 and 47,803.82 is: 71,717.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,643.52 : 221,500.55 = 47,803.82 : x
  2. Step 2: Convert to fraction form
    147,643.52/221,500.55 = 47,803.82/x
  3. Step 3: Cross multiply
    147,643.52x = 221,500.55 × 47,803.82
  4. Step 4: Simplify right side
    147,643.52x = 10,588,572,680.05
  5. Step 5: Solve for x
    x = 10,588,572,680.05/147,643.52
  6. Step 6: Final answer
    x = 71,717.15

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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.