Home / 130,624.83-180,250.74-72,483.03

Finding the Fourth Proportional to 130,624.83, 180,250.74 and 72,483.03

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Solution

The fourth proportional to 130,624.83, 180,250.74 and 72,483.03 is: 100,020.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,624.83 : 180,250.74 = 72,483.03 : x
  2. Step 2: Convert to fraction form
    130,624.83/180,250.74 = 72,483.03/x
  3. Step 3: Cross multiply
    130,624.83x = 180,250.74 × 72,483.03
  4. Step 4: Simplify right side
    130,624.83x = 13,065,119,794.94
  5. Step 5: Solve for x
    x = 13,065,119,794.94/130,624.83
  6. Step 6: Final answer
    x = 100,020.19

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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.