Home / 145,376.79-218,094.48-51,880.11

Finding the Fourth Proportional to 145,376.79, 218,094.48 and 51,880.11

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Solution

The fourth proportional to 145,376.79, 218,094.48 and 51,880.11 is: 77,830.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,376.79 : 218,094.48 = 51,880.11 : x
  2. Step 2: Convert to fraction form
    145,376.79/218,094.48 = 51,880.11/x
  3. Step 3: Cross multiply
    145,376.79x = 218,094.48 × 51,880.11
  4. Step 4: Simplify right side
    145,376.79x = 11,314,765,612.79
  5. Step 5: Solve for x
    x = 11,314,765,612.79/145,376.79
  6. Step 6: Final answer
    x = 77,830.62

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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.