Home / 130,624.03-180,261.21-74,035.81

Finding the Fourth Proportional to 130,624.03, 180,261.21 and 74,035.81

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Solution

The fourth proportional to 130,624.03, 180,261.21 and 74,035.81 is: 102,169.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,624.03 : 180,261.21 = 74,035.81 : x
  2. Step 2: Convert to fraction form
    130,624.03/180,261.21 = 74,035.81/x
  3. Step 3: Cross multiply
    130,624.03x = 180,261.21 × 74,035.81
  4. Step 4: Simplify right side
    130,624.03x = 13,345,784,693.93
  5. Step 5: Solve for x
    x = 13,345,784,693.93/130,624.03
  6. Step 6: Final answer
    x = 102,169.45

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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.