Home / 163,336.86-225,307.10-102,802.41

Finding the Fourth Proportional to 163,336.86, 225,307.10 and 102,802.41

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Solution

The fourth proportional to 163,336.86, 225,307.10 and 102,802.41 is: 141,805.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,336.86 : 225,307.10 = 102,802.41 : x
  2. Step 2: Convert to fraction form
    163,336.86/225,307.10 = 102,802.41/x
  3. Step 3: Cross multiply
    163,336.86x = 225,307.10 × 102,802.41
  4. Step 4: Simplify right side
    163,336.86x = 23,162,113,127.12
  5. Step 5: Solve for x
    x = 23,162,113,127.12/163,336.86
  6. Step 6: Final answer
    x = 141,805.79

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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.