Home / 130,671.56-180,334.62-76,992.35

Finding the Fourth Proportional to 130,671.56, 180,334.62 and 76,992.35

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Solution

The fourth proportional to 130,671.56, 180,334.62 and 76,992.35 is: 106,254.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,671.56 : 180,334.62 = 76,992.35 : x
  2. Step 2: Convert to fraction form
    130,671.56/180,334.62 = 76,992.35/x
  3. Step 3: Cross multiply
    130,671.56x = 180,334.62 × 76,992.35
  4. Step 4: Simplify right side
    130,671.56x = 13,884,386,180.16
  5. Step 5: Solve for x
    x = 13,884,386,180.16/130,671.56
  6. Step 6: Final answer
    x = 106,254.08

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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.