Home / 131,575.07-197,365.05-42,828.23

Finding the Fourth Proportional to 131,575.07, 197,365.05 and 42,828.23

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Solution

The fourth proportional to 131,575.07, 197,365.05 and 42,828.23 is: 64,243.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,575.07 : 197,365.05 = 42,828.23 : x
  2. Step 2: Convert to fraction form
    131,575.07/197,365.05 = 42,828.23/x
  3. Step 3: Cross multiply
    131,575.07x = 197,365.05 × 42,828.23
  4. Step 4: Simplify right side
    131,575.07x = 8,452,795,755.36
  5. Step 5: Solve for x
    x = 8,452,795,755.36/131,575.07
  6. Step 6: Final answer
    x = 64,243.14

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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.