Home / 191,514.21-264,297.78-106,631.25

Finding the Fourth Proportional to 191,514.21, 264,297.78 and 106,631.25

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Solution

The fourth proportional to 191,514.21, 264,297.78 and 106,631.25 is: 147,155.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,514.21 : 264,297.78 = 106,631.25 : x
  2. Step 2: Convert to fraction form
    191,514.21/264,297.78 = 106,631.25/x
  3. Step 3: Cross multiply
    191,514.21x = 264,297.78 × 106,631.25
  4. Step 4: Simplify right side
    191,514.21x = 28,182,402,653.63
  5. Step 5: Solve for x
    x = 28,182,402,653.63/191,514.21
  6. Step 6: Final answer
    x = 147,155.67

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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.