Home / 127,598.10-191,470.05-48,768.90

Finding the Fourth Proportional to 127,598.10, 191,470.05 and 48,768.90

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Solution

The fourth proportional to 127,598.10, 191,470.05 and 48,768.90 is: 73,181.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,598.10 : 191,470.05 = 48,768.90 : x
  2. Step 2: Convert to fraction form
    127,598.10/191,470.05 = 48,768.90/x
  3. Step 3: Cross multiply
    127,598.10x = 191,470.05 × 48,768.90
  4. Step 4: Simplify right side
    127,598.10x = 9,337,783,721.45
  5. Step 5: Solve for x
    x = 9,337,783,721.45/127,598.10
  6. Step 6: Final answer
    x = 73,181.21

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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.