Home / 145,938.48-218,918.52-52,445.04

Finding the Fourth Proportional to 145,938.48, 218,918.52 and 52,445.04

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Solution

The fourth proportional to 145,938.48, 218,918.52 and 52,445.04 is: 78,671.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,938.48 : 218,918.52 = 52,445.04 : x
  2. Step 2: Convert to fraction form
    145,938.48/218,918.52 = 52,445.04/x
  3. Step 3: Cross multiply
    145,938.48x = 218,918.52 × 52,445.04
  4. Step 4: Simplify right side
    145,938.48x = 11,481,190,538.14
  5. Step 5: Solve for x
    x = 11,481,190,538.14/145,938.48
  6. Step 6: Final answer
    x = 78,671.44

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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.