Home / 205,095.30-307,124.55-134,592.90

Finding the Fourth Proportional to 205,095.30, 307,124.55 and 134,592.90

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Solution

The fourth proportional to 205,095.30, 307,124.55 and 134,592.90 is: 201,549.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,095.30 : 307,124.55 = 134,592.90 : x
  2. Step 2: Convert to fraction form
    205,095.30/307,124.55 = 134,592.90/x
  3. Step 3: Cross multiply
    205,095.30x = 307,124.55 × 134,592.90
  4. Step 4: Simplify right side
    205,095.30x = 41,336,783,845.70
  5. Step 5: Solve for x
    x = 41,336,783,845.70/205,095.30
  6. Step 6: Final answer
    x = 201,549.15

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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.