Home / 282,559.32-423,424.26-142,124.76

Finding the Fourth Proportional to 282,559.32, 423,424.26 and 142,124.76

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Solution

The fourth proportional to 282,559.32, 423,424.26 and 142,124.76 is: 212,978.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,559.32 : 423,424.26 = 142,124.76 : x
  2. Step 2: Convert to fraction form
    282,559.32/423,424.26 = 142,124.76/x
  3. Step 3: Cross multiply
    282,559.32x = 423,424.26 × 142,124.76
  4. Step 4: Simplify right side
    282,559.32x = 60,179,071,330.68
  5. Step 5: Solve for x
    x = 60,179,071,330.68/282,559.32
  6. Step 6: Final answer
    x = 212,978.54

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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.