Home / 130,609.28-180,238.74-73,248.32

Finding the Fourth Proportional to 130,609.28, 180,238.74 and 73,248.32

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Solution

The fourth proportional to 130,609.28, 180,238.74 and 73,248.32 is: 101,081.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,609.28 : 180,238.74 = 73,248.32 : x
  2. Step 2: Convert to fraction form
    130,609.28/180,238.74 = 73,248.32/x
  3. Step 3: Cross multiply
    130,609.28x = 180,238.74 × 73,248.32
  4. Step 4: Simplify right side
    130,609.28x = 13,202,184,903.92
  5. Step 5: Solve for x
    x = 13,202,184,903.92/130,609.28
  6. Step 6: Final answer
    x = 101,081.52

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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.