Home / 120,161.07-180,250.92-35,915.40

Finding the Fourth Proportional to 120,161.07, 180,250.92 and 35,915.40

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Solution

The fourth proportional to 120,161.07, 180,250.92 and 35,915.40 is: 53,875.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,161.07 : 180,250.92 = 35,915.40 : x
  2. Step 2: Convert to fraction form
    120,161.07/180,250.92 = 35,915.40/x
  3. Step 3: Cross multiply
    120,161.07x = 180,250.92 × 35,915.40
  4. Step 4: Simplify right side
    120,161.07x = 6,473,783,892.17
  5. Step 5: Solve for x
    x = 6,473,783,892.17/120,161.07
  6. Step 6: Final answer
    x = 53,875.88

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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.