Home / 130,825.96-180,545.38-74,242.60

Finding the Fourth Proportional to 130,825.96, 180,545.38 and 74,242.60

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Solution

The fourth proportional to 130,825.96, 180,545.38 and 74,242.60 is: 102,457.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,825.96 : 180,545.38 = 74,242.60 : x
  2. Step 2: Convert to fraction form
    130,825.96/180,545.38 = 74,242.60/x
  3. Step 3: Cross multiply
    130,825.96x = 180,545.38 × 74,242.60
  4. Step 4: Simplify right side
    130,825.96x = 13,404,158,429.19
  5. Step 5: Solve for x
    x = 13,404,158,429.19/130,825.96
  6. Step 6: Final answer
    x = 102,457.94

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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.