Home / 121,256.77-167,334.27-70,299.11

Finding the Fourth Proportional to 121,256.77, 167,334.27 and 70,299.11

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Solution

The fourth proportional to 121,256.77, 167,334.27 and 70,299.11 is: 97,012.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,256.77 : 167,334.27 = 70,299.11 : x
  2. Step 2: Convert to fraction form
    121,256.77/167,334.27 = 70,299.11/x
  3. Step 3: Cross multiply
    121,256.77x = 167,334.27 × 70,299.11
  4. Step 4: Simplify right side
    121,256.77x = 11,763,450,253.50
  5. Step 5: Solve for x
    x = 11,763,450,253.50/121,256.77
  6. Step 6: Final answer
    x = 97,012.73

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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.