Home / 130,762.47-196,219.38-54,854.21

Finding the Fourth Proportional to 130,762.47, 196,219.38 and 54,854.21

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Solution

The fourth proportional to 130,762.47, 196,219.38 and 54,854.21 is: 82,313.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,762.47 : 196,219.38 = 54,854.21 : x
  2. Step 2: Convert to fraction form
    130,762.47/196,219.38 = 54,854.21/x
  3. Step 3: Cross multiply
    130,762.47x = 196,219.38 × 54,854.21
  4. Step 4: Simplify right side
    130,762.47x = 10,763,459,772.84
  5. Step 5: Solve for x
    x = 10,763,459,772.84/130,762.47
  6. Step 6: Final answer
    x = 82,313.06

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1.5x scale

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.