Home / 134,041.70-185,049.38-103,347.76

Finding the Fourth Proportional to 134,041.70, 185,049.38 and 103,347.76

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Solution

The fourth proportional to 134,041.70, 185,049.38 and 103,347.76 is: 142,675.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,041.70 : 185,049.38 = 103,347.76 : x
  2. Step 2: Convert to fraction form
    134,041.70/185,049.38 = 103,347.76/x
  3. Step 3: Cross multiply
    134,041.70x = 185,049.38 × 103,347.76
  4. Step 4: Simplify right side
    134,041.70x = 19,124,437,933.03
  5. Step 5: Solve for x
    x = 19,124,437,933.03/134,041.70
  6. Step 6: Final answer
    x = 142,675.28

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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.