Home / 124,823.50-172,259.46-75,765.67

Finding the Fourth Proportional to 124,823.50, 172,259.46 and 75,765.67

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Solution

The fourth proportional to 124,823.50, 172,259.46 and 75,765.67 is: 104,558.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,823.50 : 172,259.46 = 75,765.67 : x
  2. Step 2: Convert to fraction form
    124,823.50/172,259.46 = 75,765.67/x
  3. Step 3: Cross multiply
    124,823.50x = 172,259.46 × 75,765.67
  4. Step 4: Simplify right side
    124,823.50x = 13,051,353,454.57
  5. Step 5: Solve for x
    x = 13,051,353,454.57/124,823.50
  6. Step 6: Final answer
    x = 104,558.47

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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.