Home / 130,277.32-179,639.93-84,871.10

Finding the Fourth Proportional to 130,277.32, 179,639.93 and 84,871.10

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Solution

The fourth proportional to 130,277.32, 179,639.93 and 84,871.10 is: 117,029.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,277.32 : 179,639.93 = 84,871.10 : x
  2. Step 2: Convert to fraction form
    130,277.32/179,639.93 = 84,871.10/x
  3. Step 3: Cross multiply
    130,277.32x = 179,639.93 × 84,871.10
  4. Step 4: Simplify right side
    130,277.32x = 15,246,237,564.82
  5. Step 5: Solve for x
    x = 15,246,237,564.82/130,277.32
  6. Step 6: Final answer
    x = 117,029.10

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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.