Home / 121,081.57-167,089.95-70,096.45

Finding the Fourth Proportional to 121,081.57, 167,089.95 and 70,096.45

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Solution

The fourth proportional to 121,081.57, 167,089.95 and 70,096.45 is: 96,731.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,081.57 : 167,089.95 = 70,096.45 : x
  2. Step 2: Convert to fraction form
    121,081.57/167,089.95 = 70,096.45/x
  3. Step 3: Cross multiply
    121,081.57x = 167,089.95 × 70,096.45
  4. Step 4: Simplify right side
    121,081.57x = 11,712,412,325.68
  5. Step 5: Solve for x
    x = 11,712,412,325.68/121,081.57
  6. Step 6: Final answer
    x = 96,731.59

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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.