Home / 130,626.33-180,252.81-72,484.53

Finding the Fourth Proportional to 130,626.33, 180,252.81 and 72,484.53

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Solution

The fourth proportional to 130,626.33, 180,252.81 and 72,484.53 is: 100,022.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,626.33 : 180,252.81 = 72,484.53 : x
  2. Step 2: Convert to fraction form
    130,626.33/180,252.81 = 72,484.53/x
  3. Step 3: Cross multiply
    130,626.33x = 180,252.81 × 72,484.53
  4. Step 4: Simplify right side
    130,626.33x = 13,065,540,214.03
  5. Step 5: Solve for x
    x = 13,065,540,214.03/130,626.33
  6. Step 6: Final answer
    x = 100,022.26

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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.