Home / 130,608.36-180,254.43-88,253.46

Finding the Fourth Proportional to 130,608.36, 180,254.43 and 88,253.46

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Solution

The fourth proportional to 130,608.36, 180,254.43 and 88,253.46 is: 121,799.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,608.36 : 180,254.43 = 88,253.46 : x
  2. Step 2: Convert to fraction form
    130,608.36/180,254.43 = 88,253.46/x
  3. Step 3: Cross multiply
    130,608.36x = 180,254.43 × 88,253.46
  4. Step 4: Simplify right side
    130,608.36x = 15,908,077,127.83
  5. Step 5: Solve for x
    x = 15,908,077,127.83/130,608.36
  6. Step 6: Final answer
    x = 121,799.84

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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.