Home / 105,085.24-157,699.26-42,767.08

Finding the Fourth Proportional to 105,085.24, 157,699.26 and 42,767.08

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Solution

The fourth proportional to 105,085.24, 157,699.26 and 42,767.08 is: 64,179.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,085.24 : 157,699.26 = 42,767.08 : x
  2. Step 2: Convert to fraction form
    105,085.24/157,699.26 = 42,767.08/x
  3. Step 3: Cross multiply
    105,085.24x = 157,699.26 × 42,767.08
  4. Step 4: Simplify right side
    105,085.24x = 6,744,336,868.36
  5. Step 5: Solve for x
    x = 6,744,336,868.36/105,085.24
  6. Step 6: Final answer
    x = 64,179.68

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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.