Home / 130,623.03-180,259.83-74,034.81

Finding the Fourth Proportional to 130,623.03, 180,259.83 and 74,034.81

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Solution

The fourth proportional to 130,623.03, 180,259.83 and 74,034.81 is: 102,168.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,623.03 : 180,259.83 = 74,034.81 : x
  2. Step 2: Convert to fraction form
    130,623.03/180,259.83 = 74,034.81/x
  3. Step 3: Cross multiply
    130,623.03x = 180,259.83 × 74,034.81
  4. Step 4: Simplify right side
    130,623.03x = 13,345,502,264.68
  5. Step 5: Solve for x
    x = 13,345,502,264.68/130,623.03
  6. Step 6: Final answer
    x = 102,168.07

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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.