Home / 232,389.95-320,625.03-130,400.42

Finding the Fourth Proportional to 232,389.95, 320,625.03 and 130,400.42

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Solution

The fourth proportional to 232,389.95, 320,625.03 and 130,400.42 is: 179,911.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,389.95 : 320,625.03 = 130,400.42 : x
  2. Step 2: Convert to fraction form
    232,389.95/320,625.03 = 130,400.42/x
  3. Step 3: Cross multiply
    232,389.95x = 320,625.03 × 130,400.42
  4. Step 4: Simplify right side
    232,389.95x = 41,809,638,574.51
  5. Step 5: Solve for x
    x = 41,809,638,574.51/232,389.95
  6. Step 6: Final answer
    x = 179,911.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.