Home / 155,458.91-233,188.37-43,139.15

Finding the Fourth Proportional to 155,458.91, 233,188.37 and 43,139.15

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Solution

The fourth proportional to 155,458.91, 233,188.37 and 43,139.15 is: 64,708.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,458.91 : 233,188.37 = 43,139.15 : x
  2. Step 2: Convert to fraction form
    155,458.91/233,188.37 = 43,139.15/x
  3. Step 3: Cross multiply
    155,458.91x = 233,188.37 × 43,139.15
  4. Step 4: Simplify right side
    155,458.91x = 10,059,547,855.99
  5. Step 5: Solve for x
    x = 10,059,547,855.99/155,458.91
  6. Step 6: Final answer
    x = 64,708.73

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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.