Home / 170,439.30-235,223.73-102,478.41

Finding the Fourth Proportional to 170,439.30, 235,223.73 and 102,478.41

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Solution

The fourth proportional to 170,439.30, 235,223.73 and 102,478.41 is: 141,430.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,439.30 : 235,223.73 = 102,478.41 : x
  2. Step 2: Convert to fraction form
    170,439.30/235,223.73 = 102,478.41/x
  3. Step 3: Cross multiply
    170,439.30x = 235,223.73 × 102,478.41
  4. Step 4: Simplify right side
    170,439.30x = 24,105,353,844.67
  5. Step 5: Solve for x
    x = 24,105,353,844.67/170,439.30
  6. Step 6: Final answer
    x = 141,430.73

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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.