Home / 142,578.23-213,856.20-37,394.46

Finding the Fourth Proportional to 142,578.23, 213,856.20 and 37,394.46

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Solution

The fourth proportional to 142,578.23, 213,856.20 and 37,394.46 is: 56,088.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,578.23 : 213,856.20 = 37,394.46 : x
  2. Step 2: Convert to fraction form
    142,578.23/213,856.20 = 37,394.46/x
  3. Step 3: Cross multiply
    142,578.23x = 213,856.20 × 37,394.46
  4. Step 4: Simplify right side
    142,578.23x = 7,997,037,116.65
  5. Step 5: Solve for x
    x = 7,997,037,116.65/142,578.23
  6. Step 6: Final answer
    x = 56,088.77

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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.