Home / 192,007.06-288,073.76-90,848.58

Finding the Fourth Proportional to 192,007.06, 288,073.76 and 90,848.58

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Solution

The fourth proportional to 192,007.06, 288,073.76 and 90,848.58 is: 136,302.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,007.06 : 288,073.76 = 90,848.58 : x
  2. Step 2: Convert to fraction form
    192,007.06/288,073.76 = 90,848.58/x
  3. Step 3: Cross multiply
    192,007.06x = 288,073.76 × 90,848.58
  4. Step 4: Simplify right side
    192,007.06x = 26,171,092,031.26
  5. Step 5: Solve for x
    x = 26,171,092,031.26/192,007.06
  6. Step 6: Final answer
    x = 136,302.76

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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.