Home / 159,756.06-220,258.74-130,971.51

Finding the Fourth Proportional to 159,756.06, 220,258.74 and 130,971.51

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Solution

The fourth proportional to 159,756.06, 220,258.74 and 130,971.51 is: 180,572.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,756.06 : 220,258.74 = 130,971.51 : x
  2. Step 2: Convert to fraction form
    159,756.06/220,258.74 = 130,971.51/x
  3. Step 3: Cross multiply
    159,756.06x = 220,258.74 × 130,971.51
  4. Step 4: Simplify right side
    159,756.06x = 28,847,619,768.50
  5. Step 5: Solve for x
    x = 28,847,619,768.50/159,756.06
  6. Step 6: Final answer
    x = 180,572.93

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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.