Home / 225,737.94-311,411.03-135,075.65

Finding the Fourth Proportional to 225,737.94, 311,411.03 and 135,075.65

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Solution

The fourth proportional to 225,737.94, 311,411.03 and 135,075.65 is: 186,340.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,737.94 : 311,411.03 = 135,075.65 : x
  2. Step 2: Convert to fraction form
    225,737.94/311,411.03 = 135,075.65/x
  3. Step 3: Cross multiply
    225,737.94x = 311,411.03 × 135,075.65
  4. Step 4: Simplify right side
    225,737.94x = 42,064,045,061.99
  5. Step 5: Solve for x
    x = 42,064,045,061.99/225,737.94
  6. Step 6: Final answer
    x = 186,340.17

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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.