Home / 102,904.90-154,357.35-56,248.90

Finding the Fourth Proportional to 102,904.90, 154,357.35 and 56,248.90

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Solution

The fourth proportional to 102,904.90, 154,357.35 and 56,248.90 is: 84,373.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,904.90 : 154,357.35 = 56,248.90 : x
  2. Step 2: Convert to fraction form
    102,904.90/154,357.35 = 56,248.90/x
  3. Step 3: Cross multiply
    102,904.90x = 154,357.35 × 56,248.90
  4. Step 4: Simplify right side
    102,904.90x = 8,682,431,144.42
  5. Step 5: Solve for x
    x = 8,682,431,144.42/102,904.90
  6. Step 6: Final answer
    x = 84,373.35

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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.