Home / 139,534.76-209,309.40-46,047.80

Finding the Fourth Proportional to 139,534.76, 209,309.40 and 46,047.80

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Solution

The fourth proportional to 139,534.76, 209,309.40 and 46,047.80 is: 69,074.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,534.76 : 209,309.40 = 46,047.80 : x
  2. Step 2: Convert to fraction form
    139,534.76/209,309.40 = 46,047.80/x
  3. Step 3: Cross multiply
    139,534.76x = 209,309.40 × 46,047.80
  4. Step 4: Simplify right side
    139,534.76x = 9,638,237,389.32
  5. Step 5: Solve for x
    x = 9,638,237,389.32/139,534.76
  6. Step 6: Final answer
    x = 69,074.10

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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.