Home / 138,220.48-190,671.10-95,125.15

Finding the Fourth Proportional to 138,220.48, 190,671.10 and 95,125.15

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Solution

The fourth proportional to 138,220.48, 190,671.10 and 95,125.15 is: 131,222.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,220.48 : 190,671.10 = 95,125.15 : x
  2. Step 2: Convert to fraction form
    138,220.48/190,671.10 = 95,125.15/x
  3. Step 3: Cross multiply
    138,220.48x = 190,671.10 × 95,125.15
  4. Step 4: Simplify right side
    138,220.48x = 18,137,617,345.41
  5. Step 5: Solve for x
    x = 18,137,617,345.41/138,220.48
  6. Step 6: Final answer
    x = 131,222.36

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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.