Home / 210,904.60-316,664.10-148,850.20

Finding the Fourth Proportional to 210,904.60, 316,664.10 and 148,850.20

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Solution

The fourth proportional to 210,904.60, 316,664.10 and 148,850.20 is: 223,492.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,904.60 : 316,664.10 = 148,850.20 : x
  2. Step 2: Convert to fraction form
    210,904.60/316,664.10 = 148,850.20/x
  3. Step 3: Cross multiply
    210,904.60x = 316,664.10 × 148,850.20
  4. Step 4: Simplify right side
    210,904.60x = 47,135,514,617.82
  5. Step 5: Solve for x
    x = 47,135,514,617.82/210,904.60
  6. Step 6: Final answer
    x = 223,492.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.