Home / 158,763.84-219,090.48-102,175.20

Finding the Fourth Proportional to 158,763.84, 219,090.48 and 102,175.20

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Solution

The fourth proportional to 158,763.84, 219,090.48 and 102,175.20 is: 140,999.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,763.84 : 219,090.48 = 102,175.20 : x
  2. Step 2: Convert to fraction form
    158,763.84/219,090.48 = 102,175.20/x
  3. Step 3: Cross multiply
    158,763.84x = 219,090.48 × 102,175.20
  4. Step 4: Simplify right side
    158,763.84x = 22,385,613,612.10
  5. Step 5: Solve for x
    x = 22,385,613,612.10/158,763.84
  6. Step 6: Final answer
    x = 140,999.45

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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.