Home / 115,322.18-159,156.02-69,996.60

Finding the Fourth Proportional to 115,322.18, 159,156.02 and 69,996.60

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Solution

The fourth proportional to 115,322.18, 159,156.02 and 69,996.60 is: 96,602.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,322.18 : 159,156.02 = 69,996.60 : x
  2. Step 2: Convert to fraction form
    115,322.18/159,156.02 = 69,996.60/x
  3. Step 3: Cross multiply
    115,322.18x = 159,156.02 × 69,996.60
  4. Step 4: Simplify right side
    115,322.18x = 11,140,380,444.52
  5. Step 5: Solve for x
    x = 11,140,380,444.52/115,322.18
  6. Step 6: Final answer
    x = 96,602.24

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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.