Home / 143,369.61-197,424.59-103,012.17

Finding the Fourth Proportional to 143,369.61, 197,424.59 and 103,012.17

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Solution

The fourth proportional to 143,369.61, 197,424.59 and 103,012.17 is: 141,851.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,369.61 : 197,424.59 = 103,012.17 : x
  2. Step 2: Convert to fraction form
    143,369.61/197,424.59 = 103,012.17/x
  3. Step 3: Cross multiply
    143,369.61x = 197,424.59 × 103,012.17
  4. Step 4: Simplify right side
    143,369.61x = 20,337,134,912.20
  5. Step 5: Solve for x
    x = 20,337,134,912.20/143,369.61
  6. Step 6: Final answer
    x = 141,851.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.