Home / 132,828.28-183,301.86-72,398.94

Finding the Fourth Proportional to 132,828.28, 183,301.86 and 72,398.94

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Solution

The fourth proportional to 132,828.28, 183,301.86 and 72,398.94 is: 99,909.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,828.28 : 183,301.86 = 72,398.94 : x
  2. Step 2: Convert to fraction form
    132,828.28/183,301.86 = 72,398.94/x
  3. Step 3: Cross multiply
    132,828.28x = 183,301.86 × 72,398.94
  4. Step 4: Simplify right side
    132,828.28x = 13,270,860,364.03
  5. Step 5: Solve for x
    x = 13,270,860,364.03/132,828.28
  6. Step 6: Final answer
    x = 99,909.90

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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.