Home / 142,869.29-214,288.90-58,638.36

Finding the Fourth Proportional to 142,869.29, 214,288.90 and 58,638.36

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Solution

The fourth proportional to 142,869.29, 214,288.90 and 58,638.36 is: 87,951.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,869.29 : 214,288.90 = 58,638.36 : x
  2. Step 2: Convert to fraction form
    142,869.29/214,288.90 = 58,638.36/x
  3. Step 3: Cross multiply
    142,869.29x = 214,288.90 × 58,638.36
  4. Step 4: Simplify right side
    142,869.29x = 12,565,549,662.20
  5. Step 5: Solve for x
    x = 12,565,549,662.20/142,869.29
  6. Step 6: Final answer
    x = 87,951.37

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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.