Home / 213,988.07-295,299.89-118,492.71

Finding the Fourth Proportional to 213,988.07, 295,299.89 and 118,492.71

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Solution

The fourth proportional to 213,988.07, 295,299.89 and 118,492.71 is: 163,517.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,988.07 : 295,299.89 = 118,492.71 : x
  2. Step 2: Convert to fraction form
    213,988.07/295,299.89 = 118,492.71/x
  3. Step 3: Cross multiply
    213,988.07x = 295,299.89 × 118,492.71
  4. Step 4: Simplify right side
    213,988.07x = 34,990,884,228.80
  5. Step 5: Solve for x
    x = 34,990,884,228.80/213,988.07
  6. Step 6: Final answer
    x = 163,517.92

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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.