Home / 105,566.40-158,214.24-43,162.56

Finding the Fourth Proportional to 105,566.40, 158,214.24 and 43,162.56

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Solution

The fourth proportional to 105,566.40, 158,214.24 and 43,162.56 is: 64,688.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,566.40 : 158,214.24 = 43,162.56 : x
  2. Step 2: Convert to fraction form
    105,566.40/158,214.24 = 43,162.56/x
  3. Step 3: Cross multiply
    105,566.40x = 158,214.24 × 43,162.56
  4. Step 4: Simplify right side
    105,566.40x = 6,828,931,626.85
  5. Step 5: Solve for x
    x = 6,828,931,626.85/105,566.40
  6. Step 6: Final answer
    x = 64,688.50

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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.