Home / 224,253.81-309,545.25-133,638.21

Finding the Fourth Proportional to 224,253.81, 309,545.25 and 133,638.21

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Solution

The fourth proportional to 224,253.81, 309,545.25 and 133,638.21 is: 184,465.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,253.81 : 309,545.25 = 133,638.21 : x
  2. Step 2: Convert to fraction form
    224,253.81/309,545.25 = 133,638.21/x
  3. Step 3: Cross multiply
    224,253.81x = 309,545.25 × 133,638.21
  4. Step 4: Simplify right side
    224,253.81x = 41,367,073,124.00
  5. Step 5: Solve for x
    x = 41,367,073,124.00/224,253.81
  6. Step 6: Final answer
    x = 184,465.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.