Home / 102,822.80-154,277.40-56,109.20

Finding the Fourth Proportional to 102,822.80, 154,277.40 and 56,109.20

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Solution

The fourth proportional to 102,822.80, 154,277.40 and 56,109.20 is: 84,187.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,822.80 : 154,277.40 = 56,109.20 : x
  2. Step 2: Convert to fraction form
    102,822.80/154,277.40 = 56,109.20/x
  3. Step 3: Cross multiply
    102,822.80x = 154,277.40 × 56,109.20
  4. Step 4: Simplify right side
    102,822.80x = 8,656,381,492.08
  5. Step 5: Solve for x
    x = 8,656,381,492.08/102,822.80
  6. Step 6: Final answer
    x = 84,187.37

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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.