Home / 70,180.47-105,272.63-23,431.67

Finding the Fourth Proportional to 70,180.47, 105,272.63 and 23,431.67

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Solution

The fourth proportional to 70,180.47, 105,272.63 and 23,431.67 is: 35,148.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,180.47 : 105,272.63 = 23,431.67 : x
  2. Step 2: Convert to fraction form
    70,180.47/105,272.63 = 23,431.67/x
  3. Step 3: Cross multiply
    70,180.47x = 105,272.63 × 23,431.67
  4. Step 4: Simplify right side
    70,180.47x = 2,466,713,409.03
  5. Step 5: Solve for x
    x = 2,466,713,409.03/70,180.47
  6. Step 6: Final answer
    x = 35,148.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.