Home / 648,135.43-972,085.57-174,710.07

Finding the Fourth Proportional to 648,135.43, 972,085.57 and 174,710.07

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Solution

The fourth proportional to 648,135.43, 972,085.57 and 174,710.07 is: 262,033.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,135.43 : 972,085.57 = 174,710.07 : x
  2. Step 2: Convert to fraction form
    648,135.43/972,085.57 = 174,710.07/x
  3. Step 3: Cross multiply
    648,135.43x = 972,085.57 × 174,710.07
  4. Step 4: Simplify right side
    648,135.43x = 169,833,137,980.69
  5. Step 5: Solve for x
    x = 169,833,137,980.69/648,135.43
  6. Step 6: Final answer
    x = 262,033.41

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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.