Home / 130,971.46-180,683.13-88,514.50

Finding the Fourth Proportional to 130,971.46, 180,683.13 and 88,514.50

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Solution

The fourth proportional to 130,971.46, 180,683.13 and 88,514.50 is: 122,111.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,971.46 : 180,683.13 = 88,514.50 : x
  2. Step 2: Convert to fraction form
    130,971.46/180,683.13 = 88,514.50/x
  3. Step 3: Cross multiply
    130,971.46x = 180,683.13 × 88,514.50
  4. Step 4: Simplify right side
    130,971.46x = 15,993,076,910.39
  5. Step 5: Solve for x
    x = 15,993,076,910.39/130,971.46
  6. Step 6: Final answer
    x = 122,111.16

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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.