Home / 109,066.20-163,599.30-56,491.80

Finding the Fourth Proportional to 109,066.20, 163,599.30 and 56,491.80

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Solution

The fourth proportional to 109,066.20, 163,599.30 and 56,491.80 is: 84,737.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,066.20 : 163,599.30 = 56,491.80 : x
  2. Step 2: Convert to fraction form
    109,066.20/163,599.30 = 56,491.80/x
  3. Step 3: Cross multiply
    109,066.20x = 163,599.30 × 56,491.80
  4. Step 4: Simplify right side
    109,066.20x = 9,242,018,935.74
  5. Step 5: Solve for x
    x = 9,242,018,935.74/109,066.20
  6. Step 6: Final answer
    x = 84,737.70

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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.