Home / 214,125.10-295,631.28-137,678.52

Finding the Fourth Proportional to 214,125.10, 295,631.28 and 137,678.52

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Solution

The fourth proportional to 214,125.10, 295,631.28 and 137,678.52 is: 190,085.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,125.10 : 295,631.28 = 137,678.52 : x
  2. Step 2: Convert to fraction form
    214,125.10/295,631.28 = 137,678.52/x
  3. Step 3: Cross multiply
    214,125.10x = 295,631.28 × 137,678.52
  4. Step 4: Simplify right side
    214,125.10x = 40,702,077,096.11
  5. Step 5: Solve for x
    x = 40,702,077,096.11/214,125.10
  6. Step 6: Final answer
    x = 190,085.50

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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.