Home / 130,505.56-180,110.30-73,154.62

Finding the Fourth Proportional to 130,505.56, 180,110.30 and 73,154.62

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Solution

The fourth proportional to 130,505.56, 180,110.30 and 73,154.62 is: 100,960.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,505.56 : 180,110.30 = 73,154.62 : x
  2. Step 2: Convert to fraction form
    130,505.56/180,110.30 = 73,154.62/x
  3. Step 3: Cross multiply
    130,505.56x = 180,110.30 × 73,154.62
  4. Step 4: Simplify right side
    130,505.56x = 13,175,900,554.59
  5. Step 5: Solve for x
    x = 13,175,900,554.59/130,505.56
  6. Step 6: Final answer
    x = 100,960.45

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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.