Home / 157,991.58-236,980.02-39,660.30

Finding the Fourth Proportional to 157,991.58, 236,980.02 and 39,660.30

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Solution

The fourth proportional to 157,991.58, 236,980.02 and 39,660.30 is: 59,488.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,991.58 : 236,980.02 = 39,660.30 : x
  2. Step 2: Convert to fraction form
    157,991.58/236,980.02 = 39,660.30/x
  3. Step 3: Cross multiply
    157,991.58x = 236,980.02 × 39,660.30
  4. Step 4: Simplify right side
    157,991.58x = 9,398,698,687.21
  5. Step 5: Solve for x
    x = 9,398,698,687.21/157,991.58
  6. Step 6: Final answer
    x = 59,488.60

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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.