Home / 213,980.19-295,292.61-118,486.86

Finding the Fourth Proportional to 213,980.19, 295,292.61 and 118,486.86

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Solution

The fourth proportional to 213,980.19, 295,292.61 and 118,486.86 is: 163,511.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,980.19 : 295,292.61 = 118,486.86 : x
  2. Step 2: Convert to fraction form
    213,980.19/295,292.61 = 118,486.86/x
  3. Step 3: Cross multiply
    213,980.19x = 295,292.61 × 118,486.86
  4. Step 4: Simplify right side
    213,980.19x = 34,988,294,140.10
  5. Step 5: Solve for x
    x = 34,988,294,140.10/213,980.19
  6. Step 6: Final answer
    x = 163,511.84

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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.