Home / 208,985.54-288,405.76-122,950.58

Finding the Fourth Proportional to 208,985.54, 288,405.76 and 122,950.58

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Solution

The fourth proportional to 208,985.54, 288,405.76 and 122,950.58 is: 169,675.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,985.54 : 288,405.76 = 122,950.58 : x
  2. Step 2: Convert to fraction form
    208,985.54/288,405.76 = 122,950.58/x
  3. Step 3: Cross multiply
    208,985.54x = 288,405.76 × 122,950.58
  4. Step 4: Simplify right side
    208,985.54x = 35,459,655,467.34
  5. Step 5: Solve for x
    x = 35,459,655,467.34/208,985.54
  6. Step 6: Final answer
    x = 169,675.16

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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.