Home / 154,484.51-231,750.45-65,714.18

Finding the Fourth Proportional to 154,484.51, 231,750.45 and 65,714.18

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Solution

The fourth proportional to 154,484.51, 231,750.45 and 65,714.18 is: 98,581.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,484.51 : 231,750.45 = 65,714.18 : x
  2. Step 2: Convert to fraction form
    154,484.51/231,750.45 = 65,714.18/x
  3. Step 3: Cross multiply
    154,484.51x = 231,750.45 × 65,714.18
  4. Step 4: Simplify right side
    154,484.51x = 15,229,289,627.63
  5. Step 5: Solve for x
    x = 15,229,289,627.63/154,484.51
  6. Step 6: Final answer
    x = 98,581.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.