Home / 115,684.02-159,611.58-72,668.16

Finding the Fourth Proportional to 115,684.02, 159,611.58 and 72,668.16

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Solution

The fourth proportional to 115,684.02, 159,611.58 and 72,668.16 is: 100,261.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,684.02 : 159,611.58 = 72,668.16 : x
  2. Step 2: Convert to fraction form
    115,684.02/159,611.58 = 72,668.16/x
  3. Step 3: Cross multiply
    115,684.02x = 159,611.58 × 72,668.16
  4. Step 4: Simplify right side
    115,684.02x = 11,598,679,833.29
  5. Step 5: Solve for x
    x = 11,598,679,833.29/115,684.02
  6. Step 6: Final answer
    x = 100,261.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.