Home / 115,028.67-158,683.93-74,182.03

Finding the Fourth Proportional to 115,028.67, 158,683.93 and 74,182.03

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Solution

The fourth proportional to 115,028.67, 158,683.93 and 74,182.03 is: 102,335.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,028.67 : 158,683.93 = 74,182.03 : x
  2. Step 2: Convert to fraction form
    115,028.67/158,683.93 = 74,182.03/x
  3. Step 3: Cross multiply
    115,028.67x = 158,683.93 × 74,182.03
  4. Step 4: Simplify right side
    115,028.67x = 11,771,495,473.61
  5. Step 5: Solve for x
    x = 11,771,495,473.61/115,028.67
  6. Step 6: Final answer
    x = 102,335.31

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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.