Home / 157,280.06-236,021.58-57,431.89

Finding the Fourth Proportional to 157,280.06, 236,021.58 and 57,431.89

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Solution

The fourth proportional to 157,280.06, 236,021.58 and 57,431.89 is: 86,184.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,280.06 : 236,021.58 = 57,431.89 : x
  2. Step 2: Convert to fraction form
    157,280.06/236,021.58 = 57,431.89/x
  3. Step 3: Cross multiply
    157,280.06x = 236,021.58 × 57,431.89
  4. Step 4: Simplify right side
    157,280.06x = 13,555,165,420.19
  5. Step 5: Solve for x
    x = 13,555,165,420.19/157,280.06
  6. Step 6: Final answer
    x = 86,184.89

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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.