Home / 121,279.62-167,360.58-67,570.50

Finding the Fourth Proportional to 121,279.62, 167,360.58 and 67,570.50

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Solution

The fourth proportional to 121,279.62, 167,360.58 and 67,570.50 is: 93,244.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,279.62 : 167,360.58 = 67,570.50 : x
  2. Step 2: Convert to fraction form
    121,279.62/167,360.58 = 67,570.50/x
  3. Step 3: Cross multiply
    121,279.62x = 167,360.58 × 67,570.50
  4. Step 4: Simplify right side
    121,279.62x = 11,308,638,070.89
  5. Step 5: Solve for x
    x = 11,308,638,070.89/121,279.62
  6. Step 6: Final answer
    x = 93,244.34

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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.