Home / 163,519.53-245,173.74-78,084.17

Finding the Fourth Proportional to 163,519.53, 245,173.74 and 78,084.17

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Solution

The fourth proportional to 163,519.53, 245,173.74 and 78,084.17 is: 117,075.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,519.53 : 245,173.74 = 78,084.17 : x
  2. Step 2: Convert to fraction form
    163,519.53/245,173.74 = 78,084.17/x
  3. Step 3: Cross multiply
    163,519.53x = 245,173.74 × 78,084.17
  4. Step 4: Simplify right side
    163,519.53x = 19,144,186,767.83
  5. Step 5: Solve for x
    x = 19,144,186,767.83/163,519.53
  6. Step 6: Final answer
    x = 117,075.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.