Home / 190,038.56-285,036-49,808.24

Finding the Fourth Proportional to 190,038.56, 285,036 and 49,808.24

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Solution

The fourth proportional to 190,038.56, 285,036 and 49,808.24 is: 74,706.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,038.56 : 285,036 = 49,808.24 : x
  2. Step 2: Convert to fraction form
    190,038.56/285,036 = 49,808.24/x
  3. Step 3: Cross multiply
    190,038.56x = 285,036 × 49,808.24
  4. Step 4: Simplify right side
    190,038.56x = 14,197,141,496.64
  5. Step 5: Solve for x
    x = 14,197,141,496.64/190,038.56
  6. Step 6: Final answer
    x = 74,706.64

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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.