Home / 130,527.72-180,087.79-73,159.09

Finding the Fourth Proportional to 130,527.72, 180,087.79 and 73,159.09

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Solution

The fourth proportional to 130,527.72, 180,087.79 and 73,159.09 is: 100,936.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,527.72 : 180,087.79 = 73,159.09 : x
  2. Step 2: Convert to fraction form
    130,527.72/180,087.79 = 73,159.09/x
  3. Step 3: Cross multiply
    130,527.72x = 180,087.79 × 73,159.09
  4. Step 4: Simplify right side
    130,527.72x = 13,175,058,836.51
  5. Step 5: Solve for x
    x = 13,175,058,836.51/130,527.72
  6. Step 6: Final answer
    x = 100,936.86

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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.