Home / 102,984.40-154,606.20-55,637.20

Finding the Fourth Proportional to 102,984.40, 154,606.20 and 55,637.20

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Solution

The fourth proportional to 102,984.40, 154,606.20 and 55,637.20 is: 83,525.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,984.40 : 154,606.20 = 55,637.20 : x
  2. Step 2: Convert to fraction form
    102,984.40/154,606.20 = 55,637.20/x
  3. Step 3: Cross multiply
    102,984.40x = 154,606.20 × 55,637.20
  4. Step 4: Simplify right side
    102,984.40x = 8,601,856,070.64
  5. Step 5: Solve for x
    x = 8,601,856,070.64/102,984.40
  6. Step 6: Final answer
    x = 83,525.82

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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.