Home / 154,096.48-212,637.30-105,739.87

Finding the Fourth Proportional to 154,096.48, 212,637.30 and 105,739.87

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Solution

The fourth proportional to 154,096.48, 212,637.30 and 105,739.87 is: 145,910.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,096.48 : 212,637.30 = 105,739.87 : x
  2. Step 2: Convert to fraction form
    154,096.48/212,637.30 = 105,739.87/x
  3. Step 3: Cross multiply
    154,096.48x = 212,637.30 × 105,739.87
  4. Step 4: Simplify right side
    154,096.48x = 22,484,240,459.15
  5. Step 5: Solve for x
    x = 22,484,240,459.15/154,096.48
  6. Step 6: Final answer
    x = 145,910.15

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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.