Home / 155,535.08-214,643.24-88,471.40

Finding the Fourth Proportional to 155,535.08, 214,643.24 and 88,471.40

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Solution

The fourth proportional to 155,535.08, 214,643.24 and 88,471.40 is: 122,093.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,535.08 : 214,643.24 = 88,471.40 : x
  2. Step 2: Convert to fraction form
    155,535.08/214,643.24 = 88,471.40/x
  3. Step 3: Cross multiply
    155,535.08x = 214,643.24 × 88,471.40
  4. Step 4: Simplify right side
    155,535.08x = 18,989,787,943.34
  5. Step 5: Solve for x
    x = 18,989,787,943.34/155,535.08
  6. Step 6: Final answer
    x = 122,093.28

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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.