Home / 139,715.39-209,573.16-46,221.14

Finding the Fourth Proportional to 139,715.39, 209,573.16 and 46,221.14

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Solution

The fourth proportional to 139,715.39, 209,573.16 and 46,221.14 is: 69,331.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,715.39 : 209,573.16 = 46,221.14 : x
  2. Step 2: Convert to fraction form
    139,715.39/209,573.16 = 46,221.14/x
  3. Step 3: Cross multiply
    139,715.39x = 209,573.16 × 46,221.14
  4. Step 4: Simplify right side
    139,715.39x = 9,686,710,368.60
  5. Step 5: Solve for x
    x = 9,686,710,368.60/139,715.39
  6. Step 6: Final answer
    x = 69,331.73

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1.5x scale

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.