Home / 103,639.67-155,459.54-37,075.76

Finding the Fourth Proportional to 103,639.67, 155,459.54 and 37,075.76

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Solution

The fourth proportional to 103,639.67, 155,459.54 and 37,075.76 is: 55,613.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,639.67 : 155,459.54 = 37,075.76 : x
  2. Step 2: Convert to fraction form
    103,639.67/155,459.54 = 37,075.76/x
  3. Step 3: Cross multiply
    103,639.67x = 155,459.54 × 37,075.76
  4. Step 4: Simplify right side
    103,639.67x = 5,763,780,594.75
  5. Step 5: Solve for x
    x = 5,763,780,594.75/103,639.67
  6. Step 6: Final answer
    x = 55,613.65

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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.