Home / 136,109.02-203,985.87-69,492.82

Finding the Fourth Proportional to 136,109.02, 203,985.87 and 69,492.82

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Solution

The fourth proportional to 136,109.02, 203,985.87 and 69,492.82 is: 104,148.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,109.02 : 203,985.87 = 69,492.82 : x
  2. Step 2: Convert to fraction form
    136,109.02/203,985.87 = 69,492.82/x
  3. Step 3: Cross multiply
    136,109.02x = 203,985.87 × 69,492.82
  4. Step 4: Simplify right side
    136,109.02x = 14,175,553,346.45
  5. Step 5: Solve for x
    x = 14,175,553,346.45/136,109.02
  6. Step 6: Final answer
    x = 104,148.52

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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.