Home / 165,615.40-248,423.10-40,956.40

Finding the Fourth Proportional to 165,615.40, 248,423.10 and 40,956.40

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Solution

The fourth proportional to 165,615.40, 248,423.10 and 40,956.40 is: 61,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,615.40 : 248,423.10 = 40,956.40 : x
  2. Step 2: Convert to fraction form
    165,615.40/248,423.10 = 40,956.40/x
  3. Step 3: Cross multiply
    165,615.40x = 248,423.10 × 40,956.40
  4. Step 4: Simplify right side
    165,615.40x = 10,174,515,852.84
  5. Step 5: Solve for x
    x = 10,174,515,852.84/165,615.40
  6. Step 6: Final answer
    x = 61,434.60

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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.