Home / 96,565.15-144,816.61-90,268.14

Finding the Fourth Proportional to 96,565.15, 144,816.61 and 90,268.14

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Solution

The fourth proportional to 96,565.15, 144,816.61 and 90,268.14 is: 135,373.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,565.15 : 144,816.61 = 90,268.14 : x
  2. Step 2: Convert to fraction form
    96,565.15/144,816.61 = 90,268.14/x
  3. Step 3: Cross multiply
    96,565.15x = 144,816.61 × 90,268.14
  4. Step 4: Simplify right side
    96,565.15x = 13,072,326,025.81
  5. Step 5: Solve for x
    x = 13,072,326,025.81/96,565.15
  6. Step 6: Final answer
    x = 135,373.12

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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.