Home / 90,756.90-136,139.81-24,197.63

Finding the Fourth Proportional to 90,756.90, 136,139.81 and 24,197.63

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Solution

The fourth proportional to 90,756.90, 136,139.81 and 24,197.63 is: 36,297.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,756.90 : 136,139.81 = 24,197.63 : x
  2. Step 2: Convert to fraction form
    90,756.90/136,139.81 = 24,197.63/x
  3. Step 3: Cross multiply
    90,756.90x = 136,139.81 × 24,197.63
  4. Step 4: Simplify right side
    90,756.90x = 3,294,259,948.96
  5. Step 5: Solve for x
    x = 3,294,259,948.96/90,756.90
  6. Step 6: Final answer
    x = 36,297.63

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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.