Home / 152,749.60-229,135.64-40,429.06

Finding the Fourth Proportional to 152,749.60, 229,135.64 and 40,429.06

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Solution

The fourth proportional to 152,749.60, 229,135.64 and 40,429.06 is: 60,646.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,749.60 : 229,135.64 = 40,429.06 : x
  2. Step 2: Convert to fraction form
    152,749.60/229,135.64 = 40,429.06/x
  3. Step 3: Cross multiply
    152,749.60x = 229,135.64 × 40,429.06
  4. Step 4: Simplify right side
    152,749.60x = 9,263,737,762.71
  5. Step 5: Solve for x
    x = 9,263,737,762.71/152,749.60
  6. Step 6: Final answer
    x = 60,646.56

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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.