Home / 213,985.94-295,300.53-118,492.61

Finding the Fourth Proportional to 213,985.94, 295,300.53 and 118,492.61

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Solution

The fourth proportional to 213,985.94, 295,300.53 and 118,492.61 is: 163,519.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,985.94 : 295,300.53 = 118,492.61 : x
  2. Step 2: Convert to fraction form
    213,985.94/295,300.53 = 118,492.61/x
  3. Step 3: Cross multiply
    213,985.94x = 295,300.53 × 118,492.61
  4. Step 4: Simplify right side
    213,985.94x = 34,990,930,534.08
  5. Step 5: Solve for x
    x = 34,990,930,534.08/213,985.94
  6. Step 6: Final answer
    x = 163,519.76

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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.