Home / 83,435.85-125,152.67-20,256.48

Finding the Fourth Proportional to 83,435.85, 125,152.67 and 20,256.48

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Solution

The fourth proportional to 83,435.85, 125,152.67 and 20,256.48 is: 30,384.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,435.85 : 125,152.67 = 20,256.48 : x
  2. Step 2: Convert to fraction form
    83,435.85/125,152.67 = 20,256.48/x
  3. Step 3: Cross multiply
    83,435.85x = 125,152.67 × 20,256.48
  4. Step 4: Simplify right side
    83,435.85x = 2,535,152,607.44
  5. Step 5: Solve for x
    x = 2,535,152,607.44/83,435.85
  6. Step 6: Final answer
    x = 30,384.45

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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.