Home / 208,840.58-288,192.68-113,345.36

Finding the Fourth Proportional to 208,840.58, 288,192.68 and 113,345.36

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Solution

The fourth proportional to 208,840.58, 288,192.68 and 113,345.36 is: 156,412.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,840.58 : 288,192.68 = 113,345.36 : x
  2. Step 2: Convert to fraction form
    208,840.58/288,192.68 = 113,345.36/x
  3. Step 3: Cross multiply
    208,840.58x = 288,192.68 × 113,345.36
  4. Step 4: Simplify right side
    208,840.58x = 32,665,303,063.96
  5. Step 5: Solve for x
    x = 32,665,303,063.96/208,840.58
  6. Step 6: Final answer
    x = 156,412.62

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1.5x scale

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.