Home / 113,646.93-156,851.24-68,370.67

Finding the Fourth Proportional to 113,646.93, 156,851.24 and 68,370.67

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Solution

The fourth proportional to 113,646.93, 156,851.24 and 68,370.67 is: 94,362.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,646.93 : 156,851.24 = 68,370.67 : x
  2. Step 2: Convert to fraction form
    113,646.93/156,851.24 = 68,370.67/x
  3. Step 3: Cross multiply
    113,646.93x = 156,851.24 × 68,370.67
  4. Step 4: Simplify right side
    113,646.93x = 10,724,024,027.28
  5. Step 5: Solve for x
    x = 10,724,024,027.28/113,646.93
  6. Step 6: Final answer
    x = 94,362.64

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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.