Home / 130,476.56-180,052.84-70,859.28

Finding the Fourth Proportional to 130,476.56, 180,052.84 and 70,859.28

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Solution

The fourth proportional to 130,476.56, 180,052.84 and 70,859.28 is: 97,783.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,476.56 : 180,052.84 = 70,859.28 : x
  2. Step 2: Convert to fraction form
    130,476.56/180,052.84 = 70,859.28/x
  3. Step 3: Cross multiply
    130,476.56x = 180,052.84 × 70,859.28
  4. Step 4: Simplify right side
    130,476.56x = 12,758,414,604.36
  5. Step 5: Solve for x
    x = 12,758,414,604.36/130,476.56
  6. Step 6: Final answer
    x = 97,783.19

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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.