Home / 145,528.60-218,292.90-143,195.80

Finding the Fourth Proportional to 145,528.60, 218,292.90 and 143,195.80

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Solution

The fourth proportional to 145,528.60, 218,292.90 and 143,195.80 is: 214,793.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,528.60 : 218,292.90 = 143,195.80 : x
  2. Step 2: Convert to fraction form
    145,528.60/218,292.90 = 143,195.80/x
  3. Step 3: Cross multiply
    145,528.60x = 218,292.90 × 143,195.80
  4. Step 4: Simplify right side
    145,528.60x = 31,258,626,449.82
  5. Step 5: Solve for x
    x = 31,258,626,449.82/145,528.60
  6. Step 6: Final answer
    x = 214,793.70

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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.