Home / 90,342.56-135,597.12-46,001.28

Finding the Fourth Proportional to 90,342.56, 135,597.12 and 46,001.28

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Solution

The fourth proportional to 90,342.56, 135,597.12 and 46,001.28 is: 69,044.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,342.56 : 135,597.12 = 46,001.28 : x
  2. Step 2: Convert to fraction form
    90,342.56/135,597.12 = 46,001.28/x
  3. Step 3: Cross multiply
    90,342.56x = 135,597.12 × 46,001.28
  4. Step 4: Simplify right side
    90,342.56x = 6,237,641,084.31
  5. Step 5: Solve for x
    x = 6,237,641,084.31/90,342.56
  6. Step 6: Final answer
    x = 69,044.33

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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.