Home / 157,169.60-235,772.64-51,989.36

Finding the Fourth Proportional to 157,169.60, 235,772.64 and 51,989.36

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Solution

The fourth proportional to 157,169.60, 235,772.64 and 51,989.36 is: 77,990.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,169.60 : 235,772.64 = 51,989.36 : x
  2. Step 2: Convert to fraction form
    157,169.60/235,772.64 = 51,989.36/x
  3. Step 3: Cross multiply
    157,169.60x = 235,772.64 × 51,989.36
  4. Step 4: Simplify right side
    157,169.60x = 12,257,668,659.11
  5. Step 5: Solve for x
    x = 12,257,668,659.11/157,169.60
  6. Step 6: Final answer
    x = 77,990.07

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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.