Home / 208,855.61-288,221.04-113,362.33

Finding the Fourth Proportional to 208,855.61, 288,221.04 and 113,362.33

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Solution

The fourth proportional to 208,855.61, 288,221.04 and 113,362.33 is: 156,440.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,855.61 : 288,221.04 = 113,362.33 : x
  2. Step 2: Convert to fraction form
    208,855.61/288,221.04 = 113,362.33/x
  3. Step 3: Cross multiply
    208,855.61x = 288,221.04 × 113,362.33
  4. Step 4: Simplify right side
    208,855.61x = 32,673,406,641.51
  5. Step 5: Solve for x
    x = 32,673,406,641.51/208,855.61
  6. Step 6: Final answer
    x = 156,440.17

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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.