Home / 132,141.09-198,212.10-38,646.84

Finding the Fourth Proportional to 132,141.09, 198,212.10 and 38,646.84

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Solution

The fourth proportional to 132,141.09, 198,212.10 and 38,646.84 is: 57,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,141.09 : 198,212.10 = 38,646.84 : x
  2. Step 2: Convert to fraction form
    132,141.09/198,212.10 = 38,646.84/x
  3. Step 3: Cross multiply
    132,141.09x = 198,212.10 × 38,646.84
  4. Step 4: Simplify right side
    132,141.09x = 7,660,271,314.76
  5. Step 5: Solve for x
    x = 7,660,271,314.76/132,141.09
  6. Step 6: Final answer
    x = 57,970.40

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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.