Home / 209,083.26-288,514.08-118,421.13

Finding the Fourth Proportional to 209,083.26, 288,514.08 and 118,421.13

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Solution

The fourth proportional to 209,083.26, 288,514.08 and 118,421.13 is: 163,409.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,083.26 : 288,514.08 = 118,421.13 : x
  2. Step 2: Convert to fraction form
    209,083.26/288,514.08 = 118,421.13/x
  3. Step 3: Cross multiply
    209,083.26x = 288,514.08 × 118,421.13
  4. Step 4: Simplify right side
    209,083.26x = 34,166,163,374.51
  5. Step 5: Solve for x
    x = 34,166,163,374.51/209,083.26
  6. Step 6: Final answer
    x = 163,409.37

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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.