Home / 132,516.32-182,875.86-72,090.36

Finding the Fourth Proportional to 132,516.32, 182,875.86 and 72,090.36

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Solution

The fourth proportional to 132,516.32, 182,875.86 and 72,090.36 is: 99,486.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,516.32 : 182,875.86 = 72,090.36 : x
  2. Step 2: Convert to fraction form
    132,516.32/182,875.86 = 72,090.36/x
  3. Step 3: Cross multiply
    132,516.32x = 182,875.86 × 72,090.36
  4. Step 4: Simplify right side
    132,516.32x = 13,183,586,582.71
  5. Step 5: Solve for x
    x = 13,183,586,582.71/132,516.32
  6. Step 6: Final answer
    x = 99,486.51

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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.