Home / 330,136.56-495,018.86-105,444.18

Finding the Fourth Proportional to 330,136.56, 495,018.86 and 105,444.18

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Solution

The fourth proportional to 330,136.56, 495,018.86 and 105,444.18 is: 158,106.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,136.56 : 495,018.86 = 105,444.18 : x
  2. Step 2: Convert to fraction form
    330,136.56/495,018.86 = 105,444.18/x
  3. Step 3: Cross multiply
    330,136.56x = 495,018.86 × 105,444.18
  4. Step 4: Simplify right side
    330,136.56x = 52,196,857,777.23
  5. Step 5: Solve for x
    x = 52,196,857,777.23/330,136.56
  6. Step 6: Final answer
    x = 158,106.87

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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.