Home / 134,420.60-201,631.50-54,460.10

Finding the Fourth Proportional to 134,420.60, 201,631.50 and 54,460.10

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Solution

The fourth proportional to 134,420.60, 201,631.50 and 54,460.10 is: 81,690.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,420.60 : 201,631.50 = 54,460.10 : x
  2. Step 2: Convert to fraction form
    134,420.60/201,631.50 = 54,460.10/x
  3. Step 3: Cross multiply
    134,420.60x = 201,631.50 × 54,460.10
  4. Step 4: Simplify right side
    134,420.60x = 10,980,870,644.99
  5. Step 5: Solve for x
    x = 10,980,870,644.99/134,420.60
  6. Step 6: Final answer
    x = 81,690.39

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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.