Home / 130,502.27-180,090.09-76,050.95

Finding the Fourth Proportional to 130,502.27, 180,090.09 and 76,050.95

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Solution

The fourth proportional to 130,502.27, 180,090.09 and 76,050.95 is: 104,948.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,502.27 : 180,090.09 = 76,050.95 : x
  2. Step 2: Convert to fraction form
    130,502.27/180,090.09 = 76,050.95/x
  3. Step 3: Cross multiply
    130,502.27x = 180,090.09 × 76,050.95
  4. Step 4: Simplify right side
    130,502.27x = 13,696,022,430.09
  5. Step 5: Solve for x
    x = 13,696,022,430.09/130,502.27
  6. Step 6: Final answer
    x = 104,948.54

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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.