Home / 122,926.16-169,643.33-68,478.26

Finding the Fourth Proportional to 122,926.16, 169,643.33 and 68,478.26

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Solution

The fourth proportional to 122,926.16, 169,643.33 and 68,478.26 is: 94,502.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,926.16 : 169,643.33 = 68,478.26 : x
  2. Step 2: Convert to fraction form
    122,926.16/169,643.33 = 68,478.26/x
  3. Step 3: Cross multiply
    122,926.16x = 169,643.33 × 68,478.26
  4. Step 4: Simplify right side
    122,926.16x = 11,616,879,590.16
  5. Step 5: Solve for x
    x = 11,616,879,590.16/122,926.16
  6. Step 6: Final answer
    x = 94,502.91

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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.