Home / 209,201.04-288,687.87-118,551.69

Finding the Fourth Proportional to 209,201.04, 288,687.87 and 118,551.69

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Solution

The fourth proportional to 209,201.04, 288,687.87 and 118,551.69 is: 163,595.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,201.04 : 288,687.87 = 118,551.69 : x
  2. Step 2: Convert to fraction form
    209,201.04/288,687.87 = 118,551.69/x
  3. Step 3: Cross multiply
    209,201.04x = 288,687.87 × 118,551.69
  4. Step 4: Simplify right side
    209,201.04x = 34,224,434,871.00
  5. Step 5: Solve for x
    x = 34,224,434,871.00/209,201.04
  6. Step 6: Final answer
    x = 163,595.91

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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.