Home / 122,401.54-168,931.74-67,966.21

Finding the Fourth Proportional to 122,401.54, 168,931.74 and 67,966.21

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Solution

The fourth proportional to 122,401.54, 168,931.74 and 67,966.21 is: 93,803.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,401.54 : 168,931.74 = 67,966.21 : x
  2. Step 2: Convert to fraction form
    122,401.54/168,931.74 = 67,966.21/x
  3. Step 3: Cross multiply
    122,401.54x = 168,931.74 × 67,966.21
  4. Step 4: Simplify right side
    122,401.54x = 11,481,650,116.51
  5. Step 5: Solve for x
    x = 11,481,650,116.51/122,401.54
  6. Step 6: Final answer
    x = 93,803.15

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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.