Home / 132,585.81-183,036.20-102,303.15

Finding the Fourth Proportional to 132,585.81, 183,036.20 and 102,303.15

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Solution

The fourth proportional to 132,585.81, 183,036.20 and 102,303.15 is: 141,230.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,585.81 : 183,036.20 = 102,303.15 : x
  2. Step 2: Convert to fraction form
    132,585.81/183,036.20 = 102,303.15/x
  3. Step 3: Cross multiply
    132,585.81x = 183,036.20 × 102,303.15
  4. Step 4: Simplify right side
    132,585.81x = 18,725,179,824.03
  5. Step 5: Solve for x
    x = 18,725,179,824.03/132,585.81
  6. Step 6: Final answer
    x = 141,230.65

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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.