Home / 130,570.33-180,242.18-88,186.27

Finding the Fourth Proportional to 130,570.33, 180,242.18 and 88,186.27

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Solution

The fourth proportional to 130,570.33, 180,242.18 and 88,186.27 is: 121,734.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,570.33 : 180,242.18 = 88,186.27 : x
  2. Step 2: Convert to fraction form
    130,570.33/180,242.18 = 88,186.27/x
  3. Step 3: Cross multiply
    130,570.33x = 180,242.18 × 88,186.27
  4. Step 4: Simplify right side
    130,570.33x = 15,894,885,550.87
  5. Step 5: Solve for x
    x = 15,894,885,550.87/130,570.33
  6. Step 6: Final answer
    x = 121,734.28

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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.