Home / 132,450.84-182,774.88-72,021.42

Finding the Fourth Proportional to 132,450.84, 182,774.88 and 72,021.42

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Solution

The fourth proportional to 132,450.84, 182,774.88 and 72,021.42 is: 99,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,450.84 : 182,774.88 = 72,021.42 : x
  2. Step 2: Convert to fraction form
    132,450.84/182,774.88 = 72,021.42/x
  3. Step 3: Cross multiply
    132,450.84x = 182,774.88 × 72,021.42
  4. Step 4: Simplify right side
    132,450.84x = 13,163,706,397.93
  5. Step 5: Solve for x
    x = 13,163,706,397.93/132,450.84
  6. Step 6: Final answer
    x = 99,385.60

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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.