Home / 183,790.40-275,685.60-90,276.80

Finding the Fourth Proportional to 183,790.40, 275,685.60 and 90,276.80

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Solution

The fourth proportional to 183,790.40, 275,685.60 and 90,276.80 is: 135,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,790.40 : 275,685.60 = 90,276.80 : x
  2. Step 2: Convert to fraction form
    183,790.40/275,685.60 = 90,276.80/x
  3. Step 3: Cross multiply
    183,790.40x = 275,685.60 × 90,276.80
  4. Step 4: Simplify right side
    183,790.40x = 24,888,013,774.08
  5. Step 5: Solve for x
    x = 24,888,013,774.08/183,790.40
  6. Step 6: Final answer
    x = 135,415.20

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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.