Home / 90,754.86-136,159.97-46,412.76

Finding the Fourth Proportional to 90,754.86, 136,159.97 and 46,412.76

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Solution

The fourth proportional to 90,754.86, 136,159.97 and 46,412.76 is: 69,633.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,754.86 : 136,159.97 = 46,412.76 : x
  2. Step 2: Convert to fraction form
    90,754.86/136,159.97 = 46,412.76/x
  3. Step 3: Cross multiply
    90,754.86x = 136,159.97 × 46,412.76
  4. Step 4: Simplify right side
    90,754.86x = 6,319,560,009.22
  5. Step 5: Solve for x
    x = 6,319,560,009.22/90,754.86
  6. Step 6: Final answer
    x = 69,633.30

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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.