Home / 113,199.24-156,215.70-70,782.60

Finding the Fourth Proportional to 113,199.24, 156,215.70 and 70,782.60

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Solution

The fourth proportional to 113,199.24, 156,215.70 and 70,782.60 is: 97,680.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,199.24 : 156,215.70 = 70,782.60 : x
  2. Step 2: Convert to fraction form
    113,199.24/156,215.70 = 70,782.60/x
  3. Step 3: Cross multiply
    113,199.24x = 156,215.70 × 70,782.60
  4. Step 4: Simplify right side
    113,199.24x = 11,057,353,406.82
  5. Step 5: Solve for x
    x = 11,057,353,406.82/113,199.24
  6. Step 6: Final answer
    x = 97,680.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.