Home / 132,922.90-199,409.58-42,989.80

Finding the Fourth Proportional to 132,922.90, 199,409.58 and 42,989.80

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Solution

The fourth proportional to 132,922.90, 199,409.58 and 42,989.80 is: 64,492.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,922.90 : 199,409.58 = 42,989.80 : x
  2. Step 2: Convert to fraction form
    132,922.90/199,409.58 = 42,989.80/x
  3. Step 3: Cross multiply
    132,922.90x = 199,409.58 × 42,989.80
  4. Step 4: Simplify right side
    132,922.90x = 8,572,577,962.28
  5. Step 5: Solve for x
    x = 8,572,577,962.28/132,922.90
  6. Step 6: Final answer
    x = 64,492.86

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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.