Home / 103,629.55-155,444.33-101,325.55

Finding the Fourth Proportional to 103,629.55, 155,444.33 and 101,325.55

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Solution

The fourth proportional to 103,629.55, 155,444.33 and 101,325.55 is: 151,988.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,629.55 : 155,444.33 = 101,325.55 : x
  2. Step 2: Convert to fraction form
    103,629.55/155,444.33 = 101,325.55/x
  3. Step 3: Cross multiply
    103,629.55x = 155,444.33 × 101,325.55
  4. Step 4: Simplify right side
    103,629.55x = 15,750,482,231.63
  5. Step 5: Solve for x
    x = 15,750,482,231.63/103,629.55
  6. Step 6: Final answer
    x = 151,988.33

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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.