Home / 122,900.22-169,567.05-84,670.11

Finding the Fourth Proportional to 122,900.22, 169,567.05 and 84,670.11

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Solution

The fourth proportional to 122,900.22, 169,567.05 and 84,670.11 is: 116,820.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,900.22 : 169,567.05 = 84,670.11 : x
  2. Step 2: Convert to fraction form
    122,900.22/169,567.05 = 84,670.11/x
  3. Step 3: Cross multiply
    122,900.22x = 169,567.05 × 84,670.11
  4. Step 4: Simplify right side
    122,900.22x = 14,357,260,775.88
  5. Step 5: Solve for x
    x = 14,357,260,775.88/122,900.22
  6. Step 6: Final answer
    x = 116,820.46

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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.