Home / 102,826.80-154,283.40-56,113.20

Finding the Fourth Proportional to 102,826.80, 154,283.40 and 56,113.20

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Solution

The fourth proportional to 102,826.80, 154,283.40 and 56,113.20 is: 84,193.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,826.80 : 154,283.40 = 56,113.20 : x
  2. Step 2: Convert to fraction form
    102,826.80/154,283.40 = 56,113.20/x
  3. Step 3: Cross multiply
    102,826.80x = 154,283.40 × 56,113.20
  4. Step 4: Simplify right side
    102,826.80x = 8,657,335,280.88
  5. Step 5: Solve for x
    x = 8,657,335,280.88/102,826.80
  6. Step 6: Final answer
    x = 84,193.37

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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.