Home / 178,075.04-245,719.44-106,439.84

Finding the Fourth Proportional to 178,075.04, 245,719.44 and 106,439.84

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Solution

The fourth proportional to 178,075.04, 245,719.44 and 106,439.84 is: 146,872.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,075.04 : 245,719.44 = 106,439.84 : x
  2. Step 2: Convert to fraction form
    178,075.04/245,719.44 = 106,439.84/x
  3. Step 3: Cross multiply
    178,075.04x = 245,719.44 × 106,439.84
  4. Step 4: Simplify right side
    178,075.04x = 26,154,337,878.49
  5. Step 5: Solve for x
    x = 26,154,337,878.49/178,075.04
  6. Step 6: Final answer
    x = 146,872.56

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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.