Home / 130,633.23-180,281.01-73,290.72

Finding the Fourth Proportional to 130,633.23, 180,281.01 and 73,290.72

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Solution

The fourth proportional to 130,633.23, 180,281.01 and 73,290.72 is: 101,145.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,633.23 : 180,281.01 = 73,290.72 : x
  2. Step 2: Convert to fraction form
    130,633.23/180,281.01 = 73,290.72/x
  3. Step 3: Cross multiply
    130,633.23x = 180,281.01 × 73,290.72
  4. Step 4: Simplify right side
    130,633.23x = 13,212,925,025.23
  5. Step 5: Solve for x
    x = 13,212,925,025.23/130,633.23
  6. Step 6: Final answer
    x = 101,145.21

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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.