Home / 142,326.66-213,420.33-83,177.22

Finding the Fourth Proportional to 142,326.66, 213,420.33 and 83,177.22

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Solution

The fourth proportional to 142,326.66, 213,420.33 and 83,177.22 is: 124,725.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,326.66 : 213,420.33 = 83,177.22 : x
  2. Step 2: Convert to fraction form
    142,326.66/213,420.33 = 83,177.22/x
  3. Step 3: Cross multiply
    142,326.66x = 213,420.33 × 83,177.22
  4. Step 4: Simplify right side
    142,326.66x = 17,751,709,740.88
  5. Step 5: Solve for x
    x = 17,751,709,740.88/142,326.66
  6. Step 6: Final answer
    x = 124,725.12

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1.5x scale

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.