Home / 258,313.14-356,476.43-142,031.52

Finding the Fourth Proportional to 258,313.14, 356,476.43 and 142,031.52

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Solution

The fourth proportional to 258,313.14, 356,476.43 and 142,031.52 is: 196,005.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,313.14 : 356,476.43 = 142,031.52 : x
  2. Step 2: Convert to fraction form
    258,313.14/356,476.43 = 142,031.52/x
  3. Step 3: Cross multiply
    258,313.14x = 356,476.43 × 142,031.52
  4. Step 4: Simplify right side
    258,313.14x = 50,630,889,197.07
  5. Step 5: Solve for x
    x = 50,630,889,197.07/258,313.14
  6. Step 6: Final answer
    x = 196,005.86

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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.