Home / 121,090.18-167,101.82-70,105.06

Finding the Fourth Proportional to 121,090.18, 167,101.82 and 70,105.06

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Solution

The fourth proportional to 121,090.18, 167,101.82 and 70,105.06 is: 96,743.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,090.18 : 167,101.82 = 70,105.06 : x
  2. Step 2: Convert to fraction form
    121,090.18/167,101.82 = 70,105.06/x
  3. Step 3: Cross multiply
    121,090.18x = 167,101.82 × 70,105.06
  4. Step 4: Simplify right side
    121,090.18x = 11,714,683,117.21
  5. Step 5: Solve for x
    x = 11,714,683,117.21/121,090.18
  6. Step 6: Final answer
    x = 96,743.46

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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.