Home / 163,548.24-245,146.05-79,130.04

Finding the Fourth Proportional to 163,548.24, 245,146.05 and 79,130.04

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Solution

The fourth proportional to 163,548.24, 245,146.05 and 79,130.04 is: 118,609.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,548.24 : 245,146.05 = 79,130.04 : x
  2. Step 2: Convert to fraction form
    163,548.24/245,146.05 = 79,130.04/x
  3. Step 3: Cross multiply
    163,548.24x = 245,146.05 × 79,130.04
  4. Step 4: Simplify right side
    163,548.24x = 19,398,416,742.34
  5. Step 5: Solve for x
    x = 19,398,416,742.34/163,548.24
  6. Step 6: Final answer
    x = 118,609.76

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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.