Home / 139,437.48-209,170.04-44,643.81

Finding the Fourth Proportional to 139,437.48, 209,170.04 and 44,643.81

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Solution

The fourth proportional to 139,437.48, 209,170.04 and 44,643.81 is: 66,970.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,437.48 : 209,170.04 = 44,643.81 : x
  2. Step 2: Convert to fraction form
    139,437.48/209,170.04 = 44,643.81/x
  3. Step 3: Cross multiply
    139,437.48x = 209,170.04 × 44,643.81
  4. Step 4: Simplify right side
    139,437.48x = 9,338,147,300.23
  5. Step 5: Solve for x
    x = 9,338,147,300.23/139,437.48
  6. Step 6: Final answer
    x = 66,970.14

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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.