Home / 113,019.14-169,410.54-38,113.40

Finding the Fourth Proportional to 113,019.14, 169,410.54 and 38,113.40

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Solution

The fourth proportional to 113,019.14, 169,410.54 and 38,113.40 is: 57,130.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,019.14 : 169,410.54 = 38,113.40 : x
  2. Step 2: Convert to fraction form
    113,019.14/169,410.54 = 38,113.40/x
  3. Step 3: Cross multiply
    113,019.14x = 169,410.54 × 38,113.40
  4. Step 4: Simplify right side
    113,019.14x = 6,456,811,675.24
  5. Step 5: Solve for x
    x = 6,456,811,675.24/113,019.14
  6. Step 6: Final answer
    x = 57,130.25

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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.