Home / 121,669.65-167,879.73-67,946.40

Finding the Fourth Proportional to 121,669.65, 167,879.73 and 67,946.40

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Solution

The fourth proportional to 121,669.65, 167,879.73 and 67,946.40 is: 93,752.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,669.65 : 167,879.73 = 67,946.40 : x
  2. Step 2: Convert to fraction form
    121,669.65/167,879.73 = 67,946.40/x
  3. Step 3: Cross multiply
    121,669.65x = 167,879.73 × 67,946.40
  4. Step 4: Simplify right side
    121,669.65x = 11,406,823,286.47
  5. Step 5: Solve for x
    x = 11,406,823,286.47/121,669.65
  6. Step 6: Final answer
    x = 93,752.41

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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.