Home / 121,028.51-167,007.66-70,031.09

Finding the Fourth Proportional to 121,028.51, 167,007.66 and 70,031.09

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Solution

The fourth proportional to 121,028.51, 167,007.66 and 70,031.09 is: 96,636.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,028.51 : 167,007.66 = 70,031.09 : x
  2. Step 2: Convert to fraction form
    121,028.51/167,007.66 = 70,031.09/x
  3. Step 3: Cross multiply
    121,028.51x = 167,007.66 × 70,031.09
  4. Step 4: Simplify right side
    121,028.51x = 11,695,728,153.34
  5. Step 5: Solve for x
    x = 11,695,728,153.34/121,028.51
  6. Step 6: Final answer
    x = 96,636.14

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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.