Home / 90,995.16-136,508.94-31,020.32

Finding the Fourth Proportional to 90,995.16, 136,508.94 and 31,020.32

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Solution

The fourth proportional to 90,995.16, 136,508.94 and 31,020.32 is: 46,536.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,995.16 : 136,508.94 = 31,020.32 : x
  2. Step 2: Convert to fraction form
    90,995.16/136,508.94 = 31,020.32/x
  3. Step 3: Cross multiply
    90,995.16x = 136,508.94 × 31,020.32
  4. Step 4: Simplify right side
    90,995.16x = 4,234,551,001.66
  5. Step 5: Solve for x
    x = 4,234,551,001.66/90,995.16
  6. Step 6: Final answer
    x = 46,536.00

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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.