Home / 134,617.79-185,773.80-74,190.63

Finding the Fourth Proportional to 134,617.79, 185,773.80 and 74,190.63

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Solution

The fourth proportional to 134,617.79, 185,773.80 and 74,190.63 is: 102,383.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,617.79 : 185,773.80 = 74,190.63 : x
  2. Step 2: Convert to fraction form
    134,617.79/185,773.80 = 74,190.63/x
  3. Step 3: Cross multiply
    134,617.79x = 185,773.80 × 74,190.63
  4. Step 4: Simplify right side
    134,617.79x = 13,782,675,259.49
  5. Step 5: Solve for x
    x = 13,782,675,259.49/134,617.79
  6. Step 6: Final answer
    x = 102,383.76

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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.