Home / 103,414.12-154,989.96-53,484.91

Finding the Fourth Proportional to 103,414.12, 154,989.96 and 53,484.91

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Solution

The fourth proportional to 103,414.12, 154,989.96 and 53,484.91 is: 80,159.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,414.12 : 154,989.96 = 53,484.91 : x
  2. Step 2: Convert to fraction form
    103,414.12/154,989.96 = 53,484.91/x
  3. Step 3: Cross multiply
    103,414.12x = 154,989.96 × 53,484.91
  4. Step 4: Simplify right side
    103,414.12x = 8,289,623,473.46
  5. Step 5: Solve for x
    x = 8,289,623,473.46/103,414.12
  6. Step 6: Final answer
    x = 80,159.50

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1.5x scale

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.