Home / 145,826.60-218,712.90-40,623.80

Finding the Fourth Proportional to 145,826.60, 218,712.90 and 40,623.80

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Solution

The fourth proportional to 145,826.60, 218,712.90 and 40,623.80 is: 60,928.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,826.60 : 218,712.90 = 40,623.80 : x
  2. Step 2: Convert to fraction form
    145,826.60/218,712.90 = 40,623.80/x
  3. Step 3: Cross multiply
    145,826.60x = 218,712.90 × 40,623.80
  4. Step 4: Simplify right side
    145,826.60x = 8,884,949,107.02
  5. Step 5: Solve for x
    x = 8,884,949,107.02/145,826.60
  6. Step 6: Final answer
    x = 60,928.18

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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.