Home / 155,308.94-232,968.57-42,979.76

Finding the Fourth Proportional to 155,308.94, 232,968.57 and 42,979.76

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Solution

The fourth proportional to 155,308.94, 232,968.57 and 42,979.76 is: 64,471.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,308.94 : 232,968.57 = 42,979.76 : x
  2. Step 2: Convert to fraction form
    155,308.94/232,968.57 = 42,979.76/x
  3. Step 3: Cross multiply
    155,308.94x = 232,968.57 × 42,979.76
  4. Step 4: Simplify right side
    155,308.94x = 10,012,933,226.14
  5. Step 5: Solve for x
    x = 10,012,933,226.14/155,308.94
  6. Step 6: Final answer
    x = 64,471.07

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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.