Home / 122,211.24-168,602.76-71,216.34

Finding the Fourth Proportional to 122,211.24, 168,602.76 and 71,216.34

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Solution

The fourth proportional to 122,211.24, 168,602.76 and 71,216.34 is: 98,250.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,211.24 : 168,602.76 = 71,216.34 : x
  2. Step 2: Convert to fraction form
    122,211.24/168,602.76 = 71,216.34/x
  3. Step 3: Cross multiply
    122,211.24x = 168,602.76 × 71,216.34
  4. Step 4: Simplify right side
    122,211.24x = 12,007,271,481.10
  5. Step 5: Solve for x
    x = 12,007,271,481.10/122,211.24
  6. Step 6: Final answer
    x = 98,250.14

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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.