Home / 130,805.60-180,515.18-73,449.50

Finding the Fourth Proportional to 130,805.60, 180,515.18 and 73,449.50

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Solution

The fourth proportional to 130,805.60, 180,515.18 and 73,449.50 is: 101,362.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,805.60 : 180,515.18 = 73,449.50 : x
  2. Step 2: Convert to fraction form
    130,805.60/180,515.18 = 73,449.50/x
  3. Step 3: Cross multiply
    130,805.60x = 180,515.18 × 73,449.50
  4. Step 4: Simplify right side
    130,805.60x = 13,258,748,443.59
  5. Step 5: Solve for x
    x = 13,258,748,443.59/130,805.60
  6. Step 6: Final answer
    x = 101,362.24

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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.