Home / 142,904.23-214,169.47-58,565.65

Finding the Fourth Proportional to 142,904.23, 214,169.47 and 58,565.65

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Solution

The fourth proportional to 142,904.23, 214,169.47 and 58,565.65 is: 87,771.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,904.23 : 214,169.47 = 58,565.65 : x
  2. Step 2: Convert to fraction form
    142,904.23/214,169.47 = 58,565.65/x
  3. Step 3: Cross multiply
    142,904.23x = 214,169.47 × 58,565.65
  4. Step 4: Simplify right side
    142,904.23x = 12,542,974,762.81
  5. Step 5: Solve for x
    x = 12,542,974,762.81/142,904.23
  6. Step 6: Final answer
    x = 87,771.89

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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.