Home / 157,063.04-235,621.02-72,789.02

Finding the Fourth Proportional to 157,063.04, 235,621.02 and 72,789.02

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Solution

The fourth proportional to 157,063.04, 235,621.02 and 72,789.02 is: 109,195.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,063.04 : 235,621.02 = 72,789.02 : x
  2. Step 2: Convert to fraction form
    157,063.04/235,621.02 = 72,789.02/x
  3. Step 3: Cross multiply
    157,063.04x = 235,621.02 × 72,789.02
  4. Step 4: Simplify right side
    157,063.04x = 17,150,623,999.21
  5. Step 5: Solve for x
    x = 17,150,623,999.21/157,063.04
  6. Step 6: Final answer
    x = 109,195.80

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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.