Home / 163,525.20-245,348.28-70,103.76

Finding the Fourth Proportional to 163,525.20, 245,348.28 and 70,103.76

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Solution

The fourth proportional to 163,525.20, 245,348.28 and 70,103.76 is: 105,181.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,525.20 : 245,348.28 = 70,103.76 : x
  2. Step 2: Convert to fraction form
    163,525.20/245,348.28 = 70,103.76/x
  3. Step 3: Cross multiply
    163,525.20x = 245,348.28 × 70,103.76
  4. Step 4: Simplify right side
    163,525.20x = 17,199,836,937.53
  5. Step 5: Solve for x
    x = 17,199,836,937.53/163,525.20
  6. Step 6: Final answer
    x = 105,181.57

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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.