Home / 245,075.06-338,200.98-137,637.38

Finding the Fourth Proportional to 245,075.06, 338,200.98 and 137,637.38

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Solution

The fourth proportional to 245,075.06, 338,200.98 and 137,637.38 is: 189,938.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,075.06 : 338,200.98 = 137,637.38 : x
  2. Step 2: Convert to fraction form
    245,075.06/338,200.98 = 137,637.38/x
  3. Step 3: Cross multiply
    245,075.06x = 338,200.98 × 137,637.38
  4. Step 4: Simplify right side
    245,075.06x = 46,549,096,800.63
  5. Step 5: Solve for x
    x = 46,549,096,800.63/245,075.06
  6. Step 6: Final answer
    x = 189,938.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.