Home / 113,330.81-169,995.21-42,251.03

Finding the Fourth Proportional to 113,330.81, 169,995.21 and 42,251.03

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Solution

The fourth proportional to 113,330.81, 169,995.21 and 42,251.03 is: 63,376.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,330.81 : 169,995.21 = 42,251.03 : x
  2. Step 2: Convert to fraction form
    113,330.81/169,995.21 = 42,251.03/x
  3. Step 3: Cross multiply
    113,330.81x = 169,995.21 × 42,251.03
  4. Step 4: Simplify right side
    113,330.81x = 7,182,473,302.85
  5. Step 5: Solve for x
    x = 7,182,473,302.85/113,330.81
  6. Step 6: Final answer
    x = 63,376.17

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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.