Home / 145,532.40-218,298.60-56,788.80

Finding the Fourth Proportional to 145,532.40, 218,298.60 and 56,788.80

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Solution

The fourth proportional to 145,532.40, 218,298.60 and 56,788.80 is: 85,183.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,532.40 : 218,298.60 = 56,788.80 : x
  2. Step 2: Convert to fraction form
    145,532.40/218,298.60 = 56,788.80/x
  3. Step 3: Cross multiply
    145,532.40x = 218,298.60 × 56,788.80
  4. Step 4: Simplify right side
    145,532.40x = 12,396,915,535.68
  5. Step 5: Solve for x
    x = 12,396,915,535.68/145,532.40
  6. Step 6: Final answer
    x = 85,183.20

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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.