Home / 173,338.72-239,281.11-105,377.40

Finding the Fourth Proportional to 173,338.72, 239,281.11 and 105,377.40

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Solution

The fourth proportional to 173,338.72, 239,281.11 and 105,377.40 is: 145,465.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,338.72 : 239,281.11 = 105,377.40 : x
  2. Step 2: Convert to fraction form
    173,338.72/239,281.11 = 105,377.40/x
  3. Step 3: Cross multiply
    173,338.72x = 239,281.11 × 105,377.40
  4. Step 4: Simplify right side
    173,338.72x = 25,214,821,575.67
  5. Step 5: Solve for x
    x = 25,214,821,575.67/173,338.72
  6. Step 6: Final answer
    x = 145,465.60

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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.