Home / 163,090.56-224,969.40-102,565.20

Finding the Fourth Proportional to 163,090.56, 224,969.40 and 102,565.20

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Solution

The fourth proportional to 163,090.56, 224,969.40 and 102,565.20 is: 141,479.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,090.56 : 224,969.40 = 102,565.20 : x
  2. Step 2: Convert to fraction form
    163,090.56/224,969.40 = 102,565.20/x
  3. Step 3: Cross multiply
    163,090.56x = 224,969.40 × 102,565.20
  4. Step 4: Simplify right side
    163,090.56x = 23,074,031,504.88
  5. Step 5: Solve for x
    x = 23,074,031,504.88/163,090.56
  6. Step 6: Final answer
    x = 141,479.87

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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.