Home / 145,979.76-201,458.98-82,316.19

Finding the Fourth Proportional to 145,979.76, 201,458.98 and 82,316.19

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Solution

The fourth proportional to 145,979.76, 201,458.98 and 82,316.19 is: 113,600.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,979.76 : 201,458.98 = 82,316.19 : x
  2. Step 2: Convert to fraction form
    145,979.76/201,458.98 = 82,316.19/x
  3. Step 3: Cross multiply
    145,979.76x = 201,458.98 × 82,316.19
  4. Step 4: Simplify right side
    145,979.76x = 16,583,335,263.31
  5. Step 5: Solve for x
    x = 16,583,335,263.31/145,979.76
  6. Step 6: Final answer
    x = 113,600.24

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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.