Home / 209,128.14-288,595.83-118,483.91

Finding the Fourth Proportional to 209,128.14, 288,595.83 and 118,483.91

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Solution

The fourth proportional to 209,128.14, 288,595.83 and 118,483.91 is: 163,507.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,128.14 : 288,595.83 = 118,483.91 : x
  2. Step 2: Convert to fraction form
    209,128.14/288,595.83 = 118,483.91/x
  3. Step 3: Cross multiply
    209,128.14x = 288,595.83 × 118,483.91
  4. Step 4: Simplify right side
    209,128.14x = 34,193,962,348.10
  5. Step 5: Solve for x
    x = 34,193,962,348.10/209,128.14
  6. Step 6: Final answer
    x = 163,507.23

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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.