Home / 163,686.68-245,535.30-45,359.16

Finding the Fourth Proportional to 163,686.68, 245,535.30 and 45,359.16

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Solution

The fourth proportional to 163,686.68, 245,535.30 and 45,359.16 is: 68,040.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,686.68 : 245,535.30 = 45,359.16 : x
  2. Step 2: Convert to fraction form
    163,686.68/245,535.30 = 45,359.16/x
  3. Step 3: Cross multiply
    163,686.68x = 245,535.30 × 45,359.16
  4. Step 4: Simplify right side
    163,686.68x = 11,137,274,958.35
  5. Step 5: Solve for x
    x = 11,137,274,958.35/163,686.68
  6. Step 6: Final answer
    x = 68,040.20

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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.