Home / 90,019.20-134,941.05-35,967.77

Finding the Fourth Proportional to 90,019.20, 134,941.05 and 35,967.77

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Solution

The fourth proportional to 90,019.20, 134,941.05 and 35,967.77 is: 53,916.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,019.20 : 134,941.05 = 35,967.77 : x
  2. Step 2: Convert to fraction form
    90,019.20/134,941.05 = 35,967.77/x
  3. Step 3: Cross multiply
    90,019.20x = 134,941.05 × 35,967.77
  4. Step 4: Simplify right side
    90,019.20x = 4,853,528,852.43
  5. Step 5: Solve for x
    x = 4,853,528,852.43/90,019.20
  6. Step 6: Final answer
    x = 53,916.59

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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.