Home / 102,290.80-153,246.12-55,582.96

Finding the Fourth Proportional to 102,290.80, 153,246.12 and 55,582.96

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Solution

The fourth proportional to 102,290.80, 153,246.12 and 55,582.96 is: 83,271.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,290.80 : 153,246.12 = 55,582.96 : x
  2. Step 2: Convert to fraction form
    102,290.80/153,246.12 = 55,582.96/x
  3. Step 3: Cross multiply
    102,290.80x = 153,246.12 × 55,582.96
  4. Step 4: Simplify right side
    102,290.80x = 8,517,872,958.12
  5. Step 5: Solve for x
    x = 8,517,872,958.12/102,290.80
  6. Step 6: Final answer
    x = 83,271.15

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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.