Home / 190,018.24-285,018.88-49,773.76

Finding the Fourth Proportional to 190,018.24, 285,018.88 and 49,773.76

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Solution

The fourth proportional to 190,018.24, 285,018.88 and 49,773.76 is: 74,658.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,018.24 : 285,018.88 = 49,773.76 : x
  2. Step 2: Convert to fraction form
    190,018.24/285,018.88 = 49,773.76/x
  3. Step 3: Cross multiply
    190,018.24x = 285,018.88 × 49,773.76
  4. Step 4: Simplify right side
    190,018.24x = 14,186,461,328.59
  5. Step 5: Solve for x
    x = 14,186,461,328.59/190,018.24
  6. Step 6: Final answer
    x = 74,658.42

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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.