Home / 191,421.96-264,156.72-106,537.20

Finding the Fourth Proportional to 191,421.96, 264,156.72 and 106,537.20

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Solution

The fourth proportional to 191,421.96, 264,156.72 and 106,537.20 is: 147,018.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,421.96 : 264,156.72 = 106,537.20 : x
  2. Step 2: Convert to fraction form
    191,421.96/264,156.72 = 106,537.20/x
  3. Step 3: Cross multiply
    191,421.96x = 264,156.72 × 106,537.20
  4. Step 4: Simplify right side
    191,421.96x = 28,142,517,309.98
  5. Step 5: Solve for x
    x = 28,142,517,309.98/191,421.96
  6. Step 6: Final answer
    x = 147,018.23

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1.5x scale

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.