Home / 200,376.51-276,389.19-135,075.12

Finding the Fourth Proportional to 200,376.51, 276,389.19 and 135,075.12

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Solution

The fourth proportional to 200,376.51, 276,389.19 and 135,075.12 is: 186,315.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,376.51 : 276,389.19 = 135,075.12 : x
  2. Step 2: Convert to fraction form
    200,376.51/276,389.19 = 135,075.12/x
  3. Step 3: Cross multiply
    200,376.51x = 276,389.19 × 135,075.12
  4. Step 4: Simplify right side
    200,376.51x = 37,333,303,005.95
  5. Step 5: Solve for x
    x = 37,333,303,005.95/200,376.51
  6. Step 6: Final answer
    x = 186,315.77

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1.5x scale

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.