Home / 104,972.80-157,411.81-30,075.81

Finding the Fourth Proportional to 104,972.80, 157,411.81 and 30,075.81

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Solution

The fourth proportional to 104,972.80, 157,411.81 and 30,075.81 is: 45,100.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,972.80 : 157,411.81 = 30,075.81 : x
  2. Step 2: Convert to fraction form
    104,972.80/157,411.81 = 30,075.81/x
  3. Step 3: Cross multiply
    104,972.80x = 157,411.81 × 30,075.81
  4. Step 4: Simplify right side
    104,972.80x = 4,734,287,689.32
  5. Step 5: Solve for x
    x = 4,734,287,689.32/104,972.80
  6. Step 6: Final answer
    x = 45,100.14

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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.