Home / 163,730.45-245,303.48-88,802.79

Finding the Fourth Proportional to 163,730.45, 245,303.48 and 88,802.79

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Solution

The fourth proportional to 163,730.45, 245,303.48 and 88,802.79 is: 133,045.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,730.45 : 245,303.48 = 88,802.79 : x
  2. Step 2: Convert to fraction form
    163,730.45/245,303.48 = 88,802.79/x
  3. Step 3: Cross multiply
    163,730.45x = 245,303.48 × 88,802.79
  4. Step 4: Simplify right side
    163,730.45x = 21,783,632,976.70
  5. Step 5: Solve for x
    x = 21,783,632,976.70/163,730.45
  6. Step 6: Final answer
    x = 133,045.71

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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.