Home / 105,140.54-157,710-26,254.24

Finding the Fourth Proportional to 105,140.54, 157,710 and 26,254.24

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Solution

The fourth proportional to 105,140.54, 157,710 and 26,254.24 is: 39,381.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,140.54 : 157,710 = 26,254.24 : x
  2. Step 2: Convert to fraction form
    105,140.54/157,710 = 26,254.24/x
  3. Step 3: Cross multiply
    105,140.54x = 157,710 × 26,254.24
  4. Step 4: Simplify right side
    105,140.54x = 4,140,556,190.40
  5. Step 5: Solve for x
    x = 4,140,556,190.40/105,140.54
  6. Step 6: Final answer
    x = 39,381.16

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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.