Home / 121,226.90-167,281.14-67,516.91

Finding the Fourth Proportional to 121,226.90, 167,281.14 and 67,516.91

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Solution

The fourth proportional to 121,226.90, 167,281.14 and 67,516.91 is: 93,166.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,226.90 : 167,281.14 = 67,516.91 : x
  2. Step 2: Convert to fraction form
    121,226.90/167,281.14 = 67,516.91/x
  3. Step 3: Cross multiply
    121,226.90x = 167,281.14 × 67,516.91
  4. Step 4: Simplify right side
    121,226.90x = 11,294,306,279.34
  5. Step 5: Solve for x
    x = 11,294,306,279.34/121,226.90
  6. Step 6: Final answer
    x = 93,166.67

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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.