Home / 145,750.48-218,131.91-89,626.14

Finding the Fourth Proportional to 145,750.48, 218,131.91 and 89,626.14

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Solution

The fourth proportional to 145,750.48, 218,131.91 and 89,626.14 is: 134,135.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,750.48 : 218,131.91 = 89,626.14 : x
  2. Step 2: Convert to fraction form
    145,750.48/218,131.91 = 89,626.14/x
  3. Step 3: Cross multiply
    145,750.48x = 218,131.91 × 89,626.14
  4. Step 4: Simplify right side
    145,750.48x = 19,550,319,565.34
  5. Step 5: Solve for x
    x = 19,550,319,565.34/145,750.48
  6. Step 6: Final answer
    x = 134,135.54

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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.