Home / 124,802.72-172,227.44-68,214.08

Finding the Fourth Proportional to 124,802.72, 172,227.44 and 68,214.08

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Solution

The fourth proportional to 124,802.72, 172,227.44 and 68,214.08 is: 94,135.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,802.72 : 172,227.44 = 68,214.08 : x
  2. Step 2: Convert to fraction form
    124,802.72/172,227.44 = 68,214.08/x
  3. Step 3: Cross multiply
    124,802.72x = 172,227.44 × 68,214.08
  4. Step 4: Simplify right side
    124,802.72x = 11,748,336,370.36
  5. Step 5: Solve for x
    x = 11,748,336,370.36/124,802.72
  6. Step 6: Final answer
    x = 94,135.26

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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.