Home / 139,616.76-209,448.66-64,706.52

Finding the Fourth Proportional to 139,616.76, 209,448.66 and 64,706.52

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Solution

The fourth proportional to 139,616.76, 209,448.66 and 64,706.52 is: 97,070.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,616.76 : 209,448.66 = 64,706.52 : x
  2. Step 2: Convert to fraction form
    139,616.76/209,448.66 = 64,706.52/x
  3. Step 3: Cross multiply
    139,616.76x = 209,448.66 × 64,706.52
  4. Step 4: Simplify right side
    139,616.76x = 13,552,693,907.26
  5. Step 5: Solve for x
    x = 13,552,693,907.26/139,616.76
  6. Step 6: Final answer
    x = 97,070.68

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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.