Home / 103,639.05-155,458.58-37,075.14

Finding the Fourth Proportional to 103,639.05, 155,458.58 and 37,075.14

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Solution

The fourth proportional to 103,639.05, 155,458.58 and 37,075.14 is: 55,612.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,639.05 : 155,458.58 = 37,075.14 : x
  2. Step 2: Convert to fraction form
    103,639.05/155,458.58 = 37,075.14/x
  3. Step 3: Cross multiply
    103,639.05x = 155,458.58 × 37,075.14
  4. Step 4: Simplify right side
    103,639.05x = 5,763,648,617.70
  5. Step 5: Solve for x
    x = 5,763,648,617.70/103,639.05
  6. Step 6: Final answer
    x = 55,612.71

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1.5x scale

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.