Home / 213,981.52-295,290.88-118,486.16

Finding the Fourth Proportional to 213,981.52, 295,290.88 and 118,486.16

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Solution

The fourth proportional to 213,981.52, 295,290.88 and 118,486.16 is: 163,508.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,981.52 : 295,290.88 = 118,486.16 : x
  2. Step 2: Convert to fraction form
    213,981.52/295,290.88 = 118,486.16/x
  3. Step 3: Cross multiply
    213,981.52x = 295,290.88 × 118,486.16
  4. Step 4: Simplify right side
    213,981.52x = 34,987,880,681.55
  5. Step 5: Solve for x
    x = 34,987,880,681.55/213,981.52
  6. Step 6: Final answer
    x = 163,508.89

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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.