Home / 121,181.59-167,187.31-70,166.47

Finding the Fourth Proportional to 121,181.59, 167,187.31 and 70,166.47

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Solution

The fourth proportional to 121,181.59, 167,187.31 and 70,166.47 is: 96,804.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,181.59 : 167,187.31 = 70,166.47 : x
  2. Step 2: Convert to fraction form
    121,181.59/167,187.31 = 70,166.47/x
  3. Step 3: Cross multiply
    121,181.59x = 167,187.31 × 70,166.47
  4. Step 4: Simplify right side
    121,181.59x = 11,730,943,371.50
  5. Step 5: Solve for x
    x = 11,730,943,371.50/121,181.59
  6. Step 6: Final answer
    x = 96,804.67

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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.