Home / 149,030-223,545.54-141,555.32

Finding the Fourth Proportional to 149,030, 223,545.54 and 141,555.32

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Solution

The fourth proportional to 149,030, 223,545.54 and 141,555.32 is: 212,333.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,030 : 223,545.54 = 141,555.32 : x
  2. Step 2: Convert to fraction form
    149,030/223,545.54 = 141,555.32/x
  3. Step 3: Cross multiply
    149,030x = 223,545.54 × 141,555.32
  4. Step 4: Simplify right side
    149,030x = 31,644,060,449.27
  5. Step 5: Solve for x
    x = 31,644,060,449.27/149,030
  6. Step 6: Final answer
    x = 212,333.49

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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.