Home / 155,148.70-232,736.42-42,828.94

Finding the Fourth Proportional to 155,148.70, 232,736.42 and 42,828.94

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Solution

The fourth proportional to 155,148.70, 232,736.42 and 42,828.94 is: 64,247.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,148.70 : 232,736.42 = 42,828.94 : x
  2. Step 2: Convert to fraction form
    155,148.70/232,736.42 = 42,828.94/x
  3. Step 3: Cross multiply
    155,148.70x = 232,736.42 × 42,828.94
  4. Step 4: Simplify right side
    155,148.70x = 9,967,854,167.99
  5. Step 5: Solve for x
    x = 9,967,854,167.99/155,148.70
  6. Step 6: Final answer
    x = 64,247.10

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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.