Home / 88,690.30-133,051.65-36,105.10

Finding the Fourth Proportional to 88,690.30, 133,051.65 and 36,105.10

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Solution

The fourth proportional to 88,690.30, 133,051.65 and 36,105.10 is: 54,164.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,690.30 : 133,051.65 = 36,105.10 : x
  2. Step 2: Convert to fraction form
    88,690.30/133,051.65 = 36,105.10/x
  3. Step 3: Cross multiply
    88,690.30x = 133,051.65 × 36,105.10
  4. Step 4: Simplify right side
    88,690.30x = 4,803,843,128.42
  5. Step 5: Solve for x
    x = 4,803,843,128.42/88,690.30
  6. Step 6: Final answer
    x = 54,164.24

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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.