Home / 107,197.02-147,795.94-76,606.66

Finding the Fourth Proportional to 107,197.02, 147,795.94 and 76,606.66

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Solution

The fourth proportional to 107,197.02, 147,795.94 and 76,606.66 is: 105,620.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,197.02 : 147,795.94 = 76,606.66 : x
  2. Step 2: Convert to fraction form
    107,197.02/147,795.94 = 76,606.66/x
  3. Step 3: Cross multiply
    107,197.02x = 147,795.94 × 76,606.66
  4. Step 4: Simplify right side
    107,197.02x = 11,322,153,605.46
  5. Step 5: Solve for x
    x = 11,322,153,605.46/107,197.02
  6. Step 6: Final answer
    x = 105,620.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.