Home / 86,746.60-130,314.30-83,204.20

Finding the Fourth Proportional to 86,746.60, 130,314.30 and 83,204.20

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Solution

The fourth proportional to 86,746.60, 130,314.30 and 83,204.20 is: 124,992.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,746.60 : 130,314.30 = 83,204.20 : x
  2. Step 2: Convert to fraction form
    86,746.60/130,314.30 = 83,204.20/x
  3. Step 3: Cross multiply
    86,746.60x = 130,314.30 × 83,204.20
  4. Step 4: Simplify right side
    86,746.60x = 10,842,697,080.06
  5. Step 5: Solve for x
    x = 10,842,697,080.06/86,746.60
  6. Step 6: Final answer
    x = 124,992.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.