Home / 130,466.72-180,406.49-103,562.57

Finding the Fourth Proportional to 130,466.72, 180,406.49 and 103,562.57

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Solution

The fourth proportional to 130,466.72, 180,406.49 and 103,562.57 is: 143,204.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,466.72 : 180,406.49 = 103,562.57 : x
  2. Step 2: Convert to fraction form
    130,466.72/180,406.49 = 103,562.57/x
  3. Step 3: Cross multiply
    130,466.72x = 180,406.49 × 103,562.57
  4. Step 4: Simplify right side
    130,466.72x = 18,683,358,329.23
  5. Step 5: Solve for x
    x = 18,683,358,329.23/130,466.72
  6. Step 6: Final answer
    x = 143,204.02

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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.