Home / 105,002.75-157,454.86-38,396.30

Finding the Fourth Proportional to 105,002.75, 157,454.86 and 38,396.30

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Solution

The fourth proportional to 105,002.75, 157,454.86 and 38,396.30 is: 57,576.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,002.75 : 157,454.86 = 38,396.30 : x
  2. Step 2: Convert to fraction form
    105,002.75/157,454.86 = 38,396.30/x
  3. Step 3: Cross multiply
    105,002.75x = 157,454.86 × 38,396.30
  4. Step 4: Simplify right side
    105,002.75x = 6,045,684,041.02
  5. Step 5: Solve for x
    x = 6,045,684,041.02/105,002.75
  6. Step 6: Final answer
    x = 57,576.44

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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.