Home / 122,838.08-169,503.48-69,122.16

Finding the Fourth Proportional to 122,838.08, 169,503.48 and 69,122.16

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Solution

The fourth proportional to 122,838.08, 169,503.48 and 69,122.16 is: 95,381.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,838.08 : 169,503.48 = 69,122.16 : x
  2. Step 2: Convert to fraction form
    122,838.08/169,503.48 = 69,122.16/x
  3. Step 3: Cross multiply
    122,838.08x = 169,503.48 × 69,122.16
  4. Step 4: Simplify right side
    122,838.08x = 11,716,446,665.12
  5. Step 5: Solve for x
    x = 11,716,446,665.12/122,838.08
  6. Step 6: Final answer
    x = 95,381.23

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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.