Home / 173,430.69-239,372.94-105,433.25

Finding the Fourth Proportional to 173,430.69, 239,372.94 and 105,433.25

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Solution

The fourth proportional to 173,430.69, 239,372.94 and 105,433.25 is: 145,521.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,430.69 : 239,372.94 = 105,433.25 : x
  2. Step 2: Convert to fraction form
    173,430.69/239,372.94 = 105,433.25/x
  3. Step 3: Cross multiply
    173,430.69x = 239,372.94 × 105,433.25
  4. Step 4: Simplify right side
    173,430.69x = 25,237,866,499.09
  5. Step 5: Solve for x
    x = 25,237,866,499.09/173,430.69
  6. Step 6: Final answer
    x = 145,521.34

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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.