Home / 173,484.15-239,315.78-105,521.91

Finding the Fourth Proportional to 173,484.15, 239,315.78 and 105,521.91

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Solution

The fourth proportional to 173,484.15, 239,315.78 and 105,521.91 is: 145,564.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,484.15 : 239,315.78 = 105,521.91 : x
  2. Step 2: Convert to fraction form
    173,484.15/239,315.78 = 105,521.91/x
  3. Step 3: Cross multiply
    173,484.15x = 239,315.78 × 105,521.91
  4. Step 4: Simplify right side
    173,484.15x = 25,253,058,198.74
  5. Step 5: Solve for x
    x = 25,253,058,198.74/173,484.15
  6. Step 6: Final answer
    x = 145,564.07

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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.