Home / 102,566.80-153,893.40-55,853.20

Finding the Fourth Proportional to 102,566.80, 153,893.40 and 55,853.20

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Solution

The fourth proportional to 102,566.80, 153,893.40 and 55,853.20 is: 83,803.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,566.80 : 153,893.40 = 55,853.20 : x
  2. Step 2: Convert to fraction form
    102,566.80/153,893.40 = 55,853.20/x
  3. Step 3: Cross multiply
    102,566.80x = 153,893.40 × 55,853.20
  4. Step 4: Simplify right side
    102,566.80x = 8,595,438,848.88
  5. Step 5: Solve for x
    x = 8,595,438,848.88/102,566.80
  6. Step 6: Final answer
    x = 83,803.32

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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.