Home / 102,228.51-153,408.37-49,609.29

Finding the Fourth Proportional to 102,228.51, 153,408.37 and 49,609.29

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Solution

The fourth proportional to 102,228.51, 153,408.37 and 49,609.29 is: 74,445.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,228.51 : 153,408.37 = 49,609.29 : x
  2. Step 2: Convert to fraction form
    102,228.51/153,408.37 = 49,609.29/x
  3. Step 3: Cross multiply
    102,228.51x = 153,408.37 × 49,609.29
  4. Step 4: Simplify right side
    102,228.51x = 7,610,479,424.69
  5. Step 5: Solve for x
    x = 7,610,479,424.69/102,228.51
  6. Step 6: Final answer
    x = 74,445.77

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1.5x scale

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.