Home / 143,182.12-197,803.56-94,239.16

Finding the Fourth Proportional to 143,182.12, 197,803.56 and 94,239.16

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Solution

The fourth proportional to 143,182.12, 197,803.56 and 94,239.16 is: 130,189.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,182.12 : 197,803.56 = 94,239.16 : x
  2. Step 2: Convert to fraction form
    143,182.12/197,803.56 = 94,239.16/x
  3. Step 3: Cross multiply
    143,182.12x = 197,803.56 × 94,239.16
  4. Step 4: Simplify right side
    143,182.12x = 18,640,841,339.41
  5. Step 5: Solve for x
    x = 18,640,841,339.41/143,182.12
  6. Step 6: Final answer
    x = 130,189.73

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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.