Home / 122,152.15-168,580.20-67,717.63

Finding the Fourth Proportional to 122,152.15, 168,580.20 and 67,717.63

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Solution

The fourth proportional to 122,152.15, 168,580.20 and 67,717.63 is: 93,456.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,152.15 : 168,580.20 = 67,717.63 : x
  2. Step 2: Convert to fraction form
    122,152.15/168,580.20 = 67,717.63/x
  3. Step 3: Cross multiply
    122,152.15x = 168,580.20 × 67,717.63
  4. Step 4: Simplify right side
    122,152.15x = 11,415,851,270.34
  5. Step 5: Solve for x
    x = 11,415,851,270.34/122,152.15
  6. Step 6: Final answer
    x = 93,456.00

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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.