Home / 172,940.04-257,690.88-154,075.14

Finding the Fourth Proportional to 172,940.04, 257,690.88 and 154,075.14

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Solution

The fourth proportional to 172,940.04, 257,690.88 and 154,075.14 is: 229,581.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,940.04 : 257,690.88 = 154,075.14 : x
  2. Step 2: Convert to fraction form
    172,940.04/257,690.88 = 154,075.14/x
  3. Step 3: Cross multiply
    172,940.04x = 257,690.88 × 154,075.14
  4. Step 4: Simplify right side
    172,940.04x = 39,703,758,412.72
  5. Step 5: Solve for x
    x = 39,703,758,412.72/172,940.04
  6. Step 6: Final answer
    x = 229,581.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.