Home / 142,020.27-212,911.11-61,997.36

Finding the Fourth Proportional to 142,020.27, 212,911.11 and 61,997.36

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Solution

The fourth proportional to 142,020.27, 212,911.11 and 61,997.36 is: 92,943.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,020.27 : 212,911.11 = 61,997.36 : x
  2. Step 2: Convert to fraction form
    142,020.27/212,911.11 = 61,997.36/x
  3. Step 3: Cross multiply
    142,020.27x = 212,911.11 × 61,997.36
  4. Step 4: Simplify right side
    142,020.27x = 13,199,925,670.11
  5. Step 5: Solve for x
    x = 13,199,925,670.11/142,020.27
  6. Step 6: Final answer
    x = 92,943.96

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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.