Home / 122,114.20-183,084.90-47,205.40

Finding the Fourth Proportional to 122,114.20, 183,084.90 and 47,205.40

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Solution

The fourth proportional to 122,114.20, 183,084.90 and 47,205.40 is: 70,774.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,114.20 : 183,084.90 = 47,205.40 : x
  2. Step 2: Convert to fraction form
    122,114.20/183,084.90 = 47,205.40/x
  3. Step 3: Cross multiply
    122,114.20x = 183,084.90 × 47,205.40
  4. Step 4: Simplify right side
    122,114.20x = 8,642,595,938.46
  5. Step 5: Solve for x
    x = 8,642,595,938.46/122,114.20
  6. Step 6: Final answer
    x = 70,774.70

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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.