Home / 170,536.30-235,165.39-113,155.50

Finding the Fourth Proportional to 170,536.30, 235,165.39 and 113,155.50

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Solution

The fourth proportional to 170,536.30, 235,165.39 and 113,155.50 is: 156,038.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,536.30 : 235,165.39 = 113,155.50 : x
  2. Step 2: Convert to fraction form
    170,536.30/235,165.39 = 113,155.50/x
  3. Step 3: Cross multiply
    170,536.30x = 235,165.39 × 113,155.50
  4. Step 4: Simplify right side
    170,536.30x = 26,610,257,288.15
  5. Step 5: Solve for x
    x = 26,610,257,288.15/170,536.30
  6. Step 6: Final answer
    x = 156,038.67

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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.