Home / 122,146.93-168,561.75-68,432.46

Finding the Fourth Proportional to 122,146.93, 168,561.75 and 68,432.46

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Solution

The fourth proportional to 122,146.93, 168,561.75 and 68,432.46 is: 94,436.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,146.93 : 168,561.75 = 68,432.46 : x
  2. Step 2: Convert to fraction form
    122,146.93/168,561.75 = 68,432.46/x
  3. Step 3: Cross multiply
    122,146.93x = 168,561.75 × 68,432.46
  4. Step 4: Simplify right side
    122,146.93x = 11,535,095,214.41
  5. Step 5: Solve for x
    x = 11,535,095,214.41/122,146.93
  6. Step 6: Final answer
    x = 94,436.23

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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.