Home / 189,587.98-261,647.68-104,721.45

Finding the Fourth Proportional to 189,587.98, 261,647.68 and 104,721.45

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Solution

The fourth proportional to 189,587.98, 261,647.68 and 104,721.45 is: 144,524.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,587.98 : 261,647.68 = 104,721.45 : x
  2. Step 2: Convert to fraction form
    189,587.98/261,647.68 = 104,721.45/x
  3. Step 3: Cross multiply
    189,587.98x = 261,647.68 × 104,721.45
  4. Step 4: Simplify right side
    189,587.98x = 27,400,124,438.74
  5. Step 5: Solve for x
    x = 27,400,124,438.74/189,587.98
  6. Step 6: Final answer
    x = 144,524.59

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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.