Home / 163,851.18-245,872.31-69,075.57

Finding the Fourth Proportional to 163,851.18, 245,872.31 and 69,075.57

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Solution

The fourth proportional to 163,851.18, 245,872.31 and 69,075.57 is: 103,653.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,851.18 : 245,872.31 = 69,075.57 : x
  2. Step 2: Convert to fraction form
    163,851.18/245,872.31 = 69,075.57/x
  3. Step 3: Cross multiply
    163,851.18x = 245,872.31 × 69,075.57
  4. Step 4: Simplify right side
    163,851.18x = 16,983,769,960.47
  5. Step 5: Solve for x
    x = 16,983,769,960.47/163,851.18
  6. Step 6: Final answer
    x = 103,653.63

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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.