Home / 169,849.40-254,774.10-91,117.40

Finding the Fourth Proportional to 169,849.40, 254,774.10 and 91,117.40

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Solution

The fourth proportional to 169,849.40, 254,774.10 and 91,117.40 is: 136,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,849.40 : 254,774.10 = 91,117.40 : x
  2. Step 2: Convert to fraction form
    169,849.40/254,774.10 = 91,117.40/x
  3. Step 3: Cross multiply
    169,849.40x = 254,774.10 × 91,117.40
  4. Step 4: Simplify right side
    169,849.40x = 23,214,353,579.34
  5. Step 5: Solve for x
    x = 23,214,353,579.34/169,849.40
  6. Step 6: Final answer
    x = 136,676.10

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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.