Home / 96,326.40-144,512.16-40,203.20

Finding the Fourth Proportional to 96,326.40, 144,512.16 and 40,203.20

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Solution

The fourth proportional to 96,326.40, 144,512.16 and 40,203.20 is: 60,314.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,326.40 : 144,512.16 = 40,203.20 : x
  2. Step 2: Convert to fraction form
    96,326.40/144,512.16 = 40,203.20/x
  3. Step 3: Cross multiply
    96,326.40x = 144,512.16 × 40,203.20
  4. Step 4: Simplify right side
    96,326.40x = 5,809,851,270.91
  5. Step 5: Solve for x
    x = 5,809,851,270.91/96,326.40
  6. Step 6: Final answer
    x = 60,314.22

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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.