Home / 137,630.04-189,859.44-89,911.32

Finding the Fourth Proportional to 137,630.04, 189,859.44 and 89,911.32

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Solution

The fourth proportional to 137,630.04, 189,859.44 and 89,911.32 is: 124,031.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,630.04 : 189,859.44 = 89,911.32 : x
  2. Step 2: Convert to fraction form
    137,630.04/189,859.44 = 89,911.32/x
  3. Step 3: Cross multiply
    137,630.04x = 189,859.44 × 89,911.32
  4. Step 4: Simplify right side
    137,630.04x = 17,070,512,864.86
  5. Step 5: Solve for x
    x = 17,070,512,864.86/137,630.04
  6. Step 6: Final answer
    x = 124,031.88

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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.