Home / 109,207.84-163,803.76-42,635.36

Finding the Fourth Proportional to 109,207.84, 163,803.76 and 42,635.36

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Solution

The fourth proportional to 109,207.84, 163,803.76 and 42,635.36 is: 63,949.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,207.84 : 163,803.76 = 42,635.36 : x
  2. Step 2: Convert to fraction form
    109,207.84/163,803.76 = 42,635.36/x
  3. Step 3: Cross multiply
    109,207.84x = 163,803.76 × 42,635.36
  4. Step 4: Simplify right side
    109,207.84x = 6,983,832,276.95
  5. Step 5: Solve for x
    x = 6,983,832,276.95/109,207.84
  6. Step 6: Final answer
    x = 63,949.92

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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.