Home / 126,393.63-189,526.92-42,124.28

Finding the Fourth Proportional to 126,393.63, 189,526.92 and 42,124.28

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Solution

The fourth proportional to 126,393.63, 189,526.92 and 42,124.28 is: 63,165.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,393.63 : 189,526.92 = 42,124.28 : x
  2. Step 2: Convert to fraction form
    126,393.63/189,526.92 = 42,124.28/x
  3. Step 3: Cross multiply
    126,393.63x = 189,526.92 × 42,124.28
  4. Step 4: Simplify right side
    126,393.63x = 7,983,684,097.98
  5. Step 5: Solve for x
    x = 7,983,684,097.98/126,393.63
  6. Step 6: Final answer
    x = 63,165.24

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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.