Home / 122,004.16-168,357.96-68,280.12

Finding the Fourth Proportional to 122,004.16, 168,357.96 and 68,280.12

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Solution

The fourth proportional to 122,004.16, 168,357.96 and 68,280.12 is: 94,222.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,004.16 : 168,357.96 = 68,280.12 : x
  2. Step 2: Convert to fraction form
    122,004.16/168,357.96 = 68,280.12/x
  3. Step 3: Cross multiply
    122,004.16x = 168,357.96 × 68,280.12
  4. Step 4: Simplify right side
    122,004.16x = 11,495,501,711.76
  5. Step 5: Solve for x
    x = 11,495,501,711.76/122,004.16
  6. Step 6: Final answer
    x = 94,222.21

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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.