Home / 152,618.85-210,392.78-107,158.41

Finding the Fourth Proportional to 152,618.85, 210,392.78 and 107,158.41

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Solution

The fourth proportional to 152,618.85, 210,392.78 and 107,158.41 is: 147,723.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,618.85 : 210,392.78 = 107,158.41 : x
  2. Step 2: Convert to fraction form
    152,618.85/210,392.78 = 107,158.41/x
  3. Step 3: Cross multiply
    152,618.85x = 210,392.78 × 107,158.41
  4. Step 4: Simplify right side
    152,618.85x = 22,545,355,244.49
  5. Step 5: Solve for x
    x = 22,545,355,244.49/152,618.85
  6. Step 6: Final answer
    x = 147,723.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.