Home / 209,159.25-288,593.60-118,507.29

Finding the Fourth Proportional to 209,159.25, 288,593.60 and 118,507.29

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Solution

The fourth proportional to 209,159.25, 288,593.60 and 118,507.29 is: 163,513.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,159.25 : 288,593.60 = 118,507.29 : x
  2. Step 2: Convert to fraction form
    209,159.25/288,593.60 = 118,507.29/x
  3. Step 3: Cross multiply
    209,159.25x = 288,593.60 × 118,507.29
  4. Step 4: Simplify right side
    209,159.25x = 34,200,444,854.81
  5. Step 5: Solve for x
    x = 34,200,444,854.81/209,159.25
  6. Step 6: Final answer
    x = 163,513.90

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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.