Home / 90,124.47-135,206.10-26,949.60

Finding the Fourth Proportional to 90,124.47, 135,206.10 and 26,949.60

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Solution

The fourth proportional to 90,124.47, 135,206.10 and 26,949.60 is: 40,430.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,124.47 : 135,206.10 = 26,949.60 : x
  2. Step 2: Convert to fraction form
    90,124.47/135,206.10 = 26,949.60/x
  3. Step 3: Cross multiply
    90,124.47x = 135,206.10 × 26,949.60
  4. Step 4: Simplify right side
    90,124.47x = 3,643,750,312.56
  5. Step 5: Solve for x
    x = 3,643,750,312.56/90,124.47
  6. Step 6: Final answer
    x = 40,430.20

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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.