Home / 145,546.61-218,319.91-40,365.58

Finding the Fourth Proportional to 145,546.61, 218,319.91 and 40,365.58

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Solution

The fourth proportional to 145,546.61, 218,319.91 and 40,365.58 is: 60,548.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,546.61 : 218,319.91 = 40,365.58 : x
  2. Step 2: Convert to fraction form
    145,546.61/218,319.91 = 40,365.58/x
  3. Step 3: Cross multiply
    145,546.61x = 218,319.91 × 40,365.58
  4. Step 4: Simplify right side
    145,546.61x = 8,812,609,792.70
  5. Step 5: Solve for x
    x = 8,812,609,792.70/145,546.61
  6. Step 6: Final answer
    x = 60,548.37

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1.5x scale

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.