Home / 223,085.61-334,960.47-90,225.36

Finding the Fourth Proportional to 223,085.61, 334,960.47 and 90,225.36

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Solution

The fourth proportional to 223,085.61, 334,960.47 and 90,225.36 is: 135,472.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,085.61 : 334,960.47 = 90,225.36 : x
  2. Step 2: Convert to fraction form
    223,085.61/334,960.47 = 90,225.36/x
  3. Step 3: Cross multiply
    223,085.61x = 334,960.47 × 90,225.36
  4. Step 4: Simplify right side
    223,085.61x = 30,221,928,991.52
  5. Step 5: Solve for x
    x = 30,221,928,991.52/223,085.61
  6. Step 6: Final answer
    x = 135,472.34

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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.