Home / 150,032.70-206,712.83-98,955.32

Finding the Fourth Proportional to 150,032.70, 206,712.83 and 98,955.32

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Solution

The fourth proportional to 150,032.70, 206,712.83 and 98,955.32 is: 136,339.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,032.70 : 206,712.83 = 98,955.32 : x
  2. Step 2: Convert to fraction form
    150,032.70/206,712.83 = 98,955.32/x
  3. Step 3: Cross multiply
    150,032.70x = 206,712.83 × 98,955.32
  4. Step 4: Simplify right side
    150,032.70x = 20,455,332,712.41
  5. Step 5: Solve for x
    x = 20,455,332,712.41/150,032.70
  6. Step 6: Final answer
    x = 136,339.16

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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.