Home / 138,152.02-207,228.04-49,400.14

Finding the Fourth Proportional to 138,152.02, 207,228.04 and 49,400.14

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Solution

The fourth proportional to 138,152.02, 207,228.04 and 49,400.14 is: 74,100.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,152.02 : 207,228.04 = 49,400.14 : x
  2. Step 2: Convert to fraction form
    138,152.02/207,228.04 = 49,400.14/x
  3. Step 3: Cross multiply
    138,152.02x = 207,228.04 × 49,400.14
  4. Step 4: Simplify right side
    138,152.02x = 10,237,094,187.93
  5. Step 5: Solve for x
    x = 10,237,094,187.93/138,152.02
  6. Step 6: Final answer
    x = 74,100.21

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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.