Home / 103,621.40-155,432.10-37,063.70

Finding the Fourth Proportional to 103,621.40, 155,432.10 and 37,063.70

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Solution

The fourth proportional to 103,621.40, 155,432.10 and 37,063.70 is: 55,595.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,621.40 : 155,432.10 = 37,063.70 : x
  2. Step 2: Convert to fraction form
    103,621.40/155,432.10 = 37,063.70/x
  3. Step 3: Cross multiply
    103,621.40x = 155,432.10 × 37,063.70
  4. Step 4: Simplify right side
    103,621.40x = 5,760,888,724.77
  5. Step 5: Solve for x
    x = 5,760,888,724.77/103,621.40
  6. Step 6: Final answer
    x = 55,595.55

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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.