Home / 121,028.99-167,008.31-70,031.57

Finding the Fourth Proportional to 121,028.99, 167,008.31 and 70,031.57

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Solution

The fourth proportional to 121,028.99, 167,008.31 and 70,031.57 is: 96,636.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,028.99 : 167,008.31 = 70,031.57 : x
  2. Step 2: Convert to fraction form
    121,028.99/167,008.31 = 70,031.57/x
  3. Step 3: Cross multiply
    121,028.99x = 167,008.31 × 70,031.57
  4. Step 4: Simplify right side
    121,028.99x = 11,695,852,967.15
  5. Step 5: Solve for x
    x = 11,695,852,967.15/121,028.99
  6. Step 6: Final answer
    x = 96,636.79

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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.