Home / 122,901.32-169,567.08-75,105.66

Finding the Fourth Proportional to 122,901.32, 169,567.08 and 75,105.66

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Solution

The fourth proportional to 122,901.32, 169,567.08 and 75,105.66 is: 103,623.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,901.32 : 169,567.08 = 75,105.66 : x
  2. Step 2: Convert to fraction form
    122,901.32/169,567.08 = 75,105.66/x
  3. Step 3: Cross multiply
    122,901.32x = 169,567.08 × 75,105.66
  4. Step 4: Simplify right side
    122,901.32x = 12,735,447,457.67
  5. Step 5: Solve for x
    x = 12,735,447,457.67/122,901.32
  6. Step 6: Final answer
    x = 103,623.36

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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.