Home / 83,141.64-124,712.46-30,528.36

Finding the Fourth Proportional to 83,141.64, 124,712.46 and 30,528.36

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Solution

The fourth proportional to 83,141.64, 124,712.46 and 30,528.36 is: 45,792.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,141.64 : 124,712.46 = 30,528.36 : x
  2. Step 2: Convert to fraction form
    83,141.64/124,712.46 = 30,528.36/x
  3. Step 3: Cross multiply
    83,141.64x = 124,712.46 × 30,528.36
  4. Step 4: Simplify right side
    83,141.64x = 3,807,266,875.37
  5. Step 5: Solve for x
    x = 3,807,266,875.37/83,141.64
  6. Step 6: Final answer
    x = 45,792.54

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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.