Home / 127,632.21-191,461.41-48,812.73

Finding the Fourth Proportional to 127,632.21, 191,461.41 and 48,812.73

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Solution

The fourth proportional to 127,632.21, 191,461.41 and 48,812.73 is: 73,224.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,632.21 : 191,461.41 = 48,812.73 : x
  2. Step 2: Convert to fraction form
    127,632.21/191,461.41 = 48,812.73/x
  3. Step 3: Cross multiply
    127,632.21x = 191,461.41 × 48,812.73
  4. Step 4: Simplify right side
    127,632.21x = 9,345,754,111.75
  5. Step 5: Solve for x
    x = 9,345,754,111.75/127,632.21
  6. Step 6: Final answer
    x = 73,224.10

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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.