Home / 224,595.16-309,799.74-143,939.32

Finding the Fourth Proportional to 224,595.16, 309,799.74 and 143,939.32

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Solution

The fourth proportional to 224,595.16, 309,799.74 and 143,939.32 is: 198,545.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,595.16 : 309,799.74 = 143,939.32 : x
  2. Step 2: Convert to fraction form
    224,595.16/309,799.74 = 143,939.32/x
  3. Step 3: Cross multiply
    224,595.16x = 309,799.74 × 143,939.32
  4. Step 4: Simplify right side
    224,595.16x = 44,592,363,911.78
  5. Step 5: Solve for x
    x = 44,592,363,911.78/224,595.16
  6. Step 6: Final answer
    x = 198,545.52

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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.