Home / 159,903.24-220,666.78-88,283.40

Finding the Fourth Proportional to 159,903.24, 220,666.78 and 88,283.40

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Solution

The fourth proportional to 159,903.24, 220,666.78 and 88,283.40 is: 121,831.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,903.24 : 220,666.78 = 88,283.40 : x
  2. Step 2: Convert to fraction form
    159,903.24/220,666.78 = 88,283.40/x
  3. Step 3: Cross multiply
    159,903.24x = 220,666.78 × 88,283.40
  4. Step 4: Simplify right side
    159,903.24x = 19,481,213,605.45
  5. Step 5: Solve for x
    x = 19,481,213,605.45/159,903.24
  6. Step 6: Final answer
    x = 121,831.26

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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.