Home / 121,429.70-167,573.73-67,718.13

Finding the Fourth Proportional to 121,429.70, 167,573.73 and 67,718.13

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Solution

The fourth proportional to 121,429.70, 167,573.73 and 67,718.13 is: 93,451.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,429.70 : 167,573.73 = 67,718.13 : x
  2. Step 2: Convert to fraction form
    121,429.70/167,573.73 = 67,718.13/x
  3. Step 3: Cross multiply
    121,429.70x = 167,573.73 × 67,718.13
  4. Step 4: Simplify right side
    121,429.70x = 11,347,779,632.72
  5. Step 5: Solve for x
    x = 11,347,779,632.72/121,429.70
  6. Step 6: Final answer
    x = 93,451.43

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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.