Home / 130,809.30-180,461.63-82,325.27

Finding the Fourth Proportional to 130,809.30, 180,461.63 and 82,325.27

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Solution

The fourth proportional to 130,809.30, 180,461.63 and 82,325.27 is: 113,574.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,809.30 : 180,461.63 = 82,325.27 : x
  2. Step 2: Convert to fraction form
    130,809.30/180,461.63 = 82,325.27/x
  3. Step 3: Cross multiply
    130,809.30x = 180,461.63 × 82,325.27
  4. Step 4: Simplify right side
    130,809.30x = 14,856,551,717.90
  5. Step 5: Solve for x
    x = 14,856,551,717.90/130,809.30
  6. Step 6: Final answer
    x = 113,574.12

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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.