Home / 209,386.25-289,004.37-118,795.25

Finding the Fourth Proportional to 209,386.25, 289,004.37 and 118,795.25

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Solution

The fourth proportional to 209,386.25, 289,004.37 and 118,795.25 is: 163,966.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,386.25 : 289,004.37 = 118,795.25 : x
  2. Step 2: Convert to fraction form
    209,386.25/289,004.37 = 118,795.25/x
  3. Step 3: Cross multiply
    209,386.25x = 289,004.37 × 118,795.25
  4. Step 4: Simplify right side
    209,386.25x = 34,332,346,385.24
  5. Step 5: Solve for x
    x = 34,332,346,385.24/209,386.25
  6. Step 6: Final answer
    x = 163,966.58

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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.