Home / 190,130.05-285,180.22-49,885.03

Finding the Fourth Proportional to 190,130.05, 285,180.22 and 49,885.03

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Solution

The fourth proportional to 190,130.05, 285,180.22 and 49,885.03 is: 74,823.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,130.05 : 285,180.22 = 49,885.03 : x
  2. Step 2: Convert to fraction form
    190,130.05/285,180.22 = 49,885.03/x
  3. Step 3: Cross multiply
    190,130.05x = 285,180.22 × 49,885.03
  4. Step 4: Simplify right side
    190,130.05x = 14,226,223,830.11
  5. Step 5: Solve for x
    x = 14,226,223,830.11/190,130.05
  6. Step 6: Final answer
    x = 74,823.65

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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.