Home / 142,062.08-213,093.43-57,762.74

Finding the Fourth Proportional to 142,062.08, 213,093.43 and 57,762.74

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Solution

The fourth proportional to 142,062.08, 213,093.43 and 57,762.74 is: 86,644.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,062.08 : 213,093.43 = 57,762.74 : x
  2. Step 2: Convert to fraction form
    142,062.08/213,093.43 = 57,762.74/x
  3. Step 3: Cross multiply
    142,062.08x = 213,093.43 × 57,762.74
  4. Step 4: Simplify right side
    142,062.08x = 12,308,860,781.12
  5. Step 5: Solve for x
    x = 12,308,860,781.12/142,062.08
  6. Step 6: Final answer
    x = 86,644.24

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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.