Home / 126,310.40-189,424.59-42,047.93

Finding the Fourth Proportional to 126,310.40, 189,424.59 and 42,047.93

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Solution

The fourth proportional to 126,310.40, 189,424.59 and 42,047.93 is: 63,058.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,310.40 : 189,424.59 = 42,047.93 : x
  2. Step 2: Convert to fraction form
    126,310.40/189,424.59 = 42,047.93/x
  3. Step 3: Cross multiply
    126,310.40x = 189,424.59 × 42,047.93
  4. Step 4: Simplify right side
    126,310.40x = 7,964,911,900.60
  5. Step 5: Solve for x
    x = 7,964,911,900.60/126,310.40
  6. Step 6: Final answer
    x = 63,058.24

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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.