Home / 105,253.34-157,942.26-38,740.19

Finding the Fourth Proportional to 105,253.34, 157,942.26 and 38,740.19

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Solution

The fourth proportional to 105,253.34, 157,942.26 and 38,740.19 is: 58,133.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,253.34 : 157,942.26 = 38,740.19 : x
  2. Step 2: Convert to fraction form
    105,253.34/157,942.26 = 38,740.19/x
  3. Step 3: Cross multiply
    105,253.34x = 157,942.26 × 38,740.19
  4. Step 4: Simplify right side
    105,253.34x = 6,118,712,371.72
  5. Step 5: Solve for x
    x = 6,118,712,371.72/105,253.34
  6. Step 6: Final answer
    x = 58,133.19

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1.5x scale

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.