Home / 102,554.20-153,831.30-55,898.20

Finding the Fourth Proportional to 102,554.20, 153,831.30 and 55,898.20

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Solution

The fourth proportional to 102,554.20, 153,831.30 and 55,898.20 is: 83,847.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,554.20 : 153,831.30 = 55,898.20 : x
  2. Step 2: Convert to fraction form
    102,554.20/153,831.30 = 55,898.20/x
  3. Step 3: Cross multiply
    102,554.20x = 153,831.30 × 55,898.20
  4. Step 4: Simplify right side
    102,554.20x = 8,598,892,773.66
  5. Step 5: Solve for x
    x = 8,598,892,773.66/102,554.20
  6. Step 6: Final answer
    x = 83,847.30

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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.