Home / 145,289.40-217,415.70-132,847.80

Finding the Fourth Proportional to 145,289.40, 217,415.70 and 132,847.80

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Solution

The fourth proportional to 145,289.40, 217,415.70 and 132,847.80 is: 198,797.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,289.40 : 217,415.70 = 132,847.80 : x
  2. Step 2: Convert to fraction form
    145,289.40/217,415.70 = 132,847.80/x
  3. Step 3: Cross multiply
    145,289.40x = 217,415.70 × 132,847.80
  4. Step 4: Simplify right side
    145,289.40x = 28,883,197,430.46
  5. Step 5: Solve for x
    x = 28,883,197,430.46/145,289.40
  6. Step 6: Final answer
    x = 198,797.69

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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.