Home / 209,587.29-289,270.31-118,951.74

Finding the Fourth Proportional to 209,587.29, 289,270.31 and 118,951.74

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Solution

The fourth proportional to 209,587.29, 289,270.31 and 118,951.74 is: 164,176.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,587.29 : 289,270.31 = 118,951.74 : x
  2. Step 2: Convert to fraction form
    209,587.29/289,270.31 = 118,951.74/x
  3. Step 3: Cross multiply
    209,587.29x = 289,270.31 × 118,951.74
  4. Step 4: Simplify right side
    209,587.29x = 34,409,206,779.18
  5. Step 5: Solve for x
    x = 34,409,206,779.18/209,587.29
  6. Step 6: Final answer
    x = 164,176.02

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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.