Home / 102,097.11-152,989.74-42,900.42

Finding the Fourth Proportional to 102,097.11, 152,989.74 and 42,900.42

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Solution

The fourth proportional to 102,097.11, 152,989.74 and 42,900.42 is: 64,285.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,097.11 : 152,989.74 = 42,900.42 : x
  2. Step 2: Convert to fraction form
    102,097.11/152,989.74 = 42,900.42/x
  3. Step 3: Cross multiply
    102,097.11x = 152,989.74 × 42,900.42
  4. Step 4: Simplify right side
    102,097.11x = 6,563,324,101.69
  5. Step 5: Solve for x
    x = 6,563,324,101.69/102,097.11
  6. Step 6: Final answer
    x = 64,285.11

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1.5x scale

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.