Home / 90,777.56-136,048.08-46,366.88

Finding the Fourth Proportional to 90,777.56, 136,048.08 and 46,366.88

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Solution

The fourth proportional to 90,777.56, 136,048.08 and 46,366.88 is: 69,489.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,777.56 : 136,048.08 = 46,366.88 : x
  2. Step 2: Convert to fraction form
    90,777.56/136,048.08 = 46,366.88/x
  3. Step 3: Cross multiply
    90,777.56x = 136,048.08 × 46,366.88
  4. Step 4: Simplify right side
    90,777.56x = 6,308,124,999.59
  5. Step 5: Solve for x
    x = 6,308,124,999.59/90,777.56
  6. Step 6: Final answer
    x = 69,489.92

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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.