Home / 141,152.40-211,728.60-71,168.40

Finding the Fourth Proportional to 141,152.40, 211,728.60 and 71,168.40

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Solution

The fourth proportional to 141,152.40, 211,728.60 and 71,168.40 is: 106,752.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,152.40 : 211,728.60 = 71,168.40 : x
  2. Step 2: Convert to fraction form
    141,152.40/211,728.60 = 71,168.40/x
  3. Step 3: Cross multiply
    141,152.40x = 211,728.60 × 71,168.40
  4. Step 4: Simplify right side
    141,152.40x = 15,068,385,696.24
  5. Step 5: Solve for x
    x = 15,068,385,696.24/141,152.40
  6. Step 6: Final answer
    x = 106,752.60

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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.