Home / 163,401.32-245,311.88-125,985.16

Finding the Fourth Proportional to 163,401.32, 245,311.88 and 125,985.16

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Solution

The fourth proportional to 163,401.32, 245,311.88 and 125,985.16 is: 189,139.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,401.32 : 245,311.88 = 125,985.16 : x
  2. Step 2: Convert to fraction form
    163,401.32/245,311.88 = 125,985.16/x
  3. Step 3: Cross multiply
    163,401.32x = 245,311.88 × 125,985.16
  4. Step 4: Simplify right side
    163,401.32x = 30,905,656,451.70
  5. Step 5: Solve for x
    x = 30,905,656,451.70/163,401.32
  6. Step 6: Final answer
    x = 189,139.58

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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.