Home / 209,345.82-288,891.04-118,710.06

Finding the Fourth Proportional to 209,345.82, 288,891.04 and 118,710.06

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Solution

The fourth proportional to 209,345.82, 288,891.04 and 118,710.06 is: 163,816.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,345.82 : 288,891.04 = 118,710.06 : x
  2. Step 2: Convert to fraction form
    209,345.82/288,891.04 = 118,710.06/x
  3. Step 3: Cross multiply
    209,345.82x = 288,891.04 × 118,710.06
  4. Step 4: Simplify right side
    209,345.82x = 34,294,272,691.86
  5. Step 5: Solve for x
    x = 34,294,272,691.86/209,345.82
  6. Step 6: Final answer
    x = 163,816.37

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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.