Home / 102,075.08-153,147.70-45,954.53

Finding the Fourth Proportional to 102,075.08, 153,147.70 and 45,954.53

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Solution

The fourth proportional to 102,075.08, 153,147.70 and 45,954.53 is: 68,947.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,075.08 : 153,147.70 = 45,954.53 : x
  2. Step 2: Convert to fraction form
    102,075.08/153,147.70 = 45,954.53/x
  3. Step 3: Cross multiply
    102,075.08x = 153,147.70 × 45,954.53
  4. Step 4: Simplify right side
    102,075.08x = 7,037,830,344.31
  5. Step 5: Solve for x
    x = 7,037,830,344.31/102,075.08
  6. Step 6: Final answer
    x = 68,947.59

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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.