Home / 154,779.13-232,093.70-90,754.78

Finding the Fourth Proportional to 154,779.13, 232,093.70 and 90,754.78

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Solution

The fourth proportional to 154,779.13, 232,093.70 and 90,754.78 is: 136,088.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,779.13 : 232,093.70 = 90,754.78 : x
  2. Step 2: Convert to fraction form
    154,779.13/232,093.70 = 90,754.78/x
  3. Step 3: Cross multiply
    154,779.13x = 232,093.70 × 90,754.78
  4. Step 4: Simplify right side
    154,779.13x = 21,063,612,682.89
  5. Step 5: Solve for x
    x = 21,063,612,682.89/154,779.13
  6. Step 6: Final answer
    x = 136,088.20

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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.