Home / 154,110.12-230,810.40-79,045.80

Finding the Fourth Proportional to 154,110.12, 230,810.40 and 79,045.80

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Solution

The fourth proportional to 154,110.12, 230,810.40 and 79,045.80 is: 118,386.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,110.12 : 230,810.40 = 79,045.80 : x
  2. Step 2: Convert to fraction form
    154,110.12/230,810.40 = 79,045.80/x
  3. Step 3: Cross multiply
    154,110.12x = 230,810.40 × 79,045.80
  4. Step 4: Simplify right side
    154,110.12x = 18,244,592,716.32
  5. Step 5: Solve for x
    x = 18,244,592,716.32/154,110.12
  6. Step 6: Final answer
    x = 118,386.73

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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.