Home / 97,230.40-145,866.24-30,689.76

Finding the Fourth Proportional to 97,230.40, 145,866.24 and 30,689.76

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Solution

The fourth proportional to 97,230.40, 145,866.24 and 30,689.76 is: 46,041.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,230.40 : 145,866.24 = 30,689.76 : x
  2. Step 2: Convert to fraction form
    97,230.40/145,866.24 = 30,689.76/x
  3. Step 3: Cross multiply
    97,230.40x = 145,866.24 × 30,689.76
  4. Step 4: Simplify right side
    97,230.40x = 4,476,599,897.70
  5. Step 5: Solve for x
    x = 4,476,599,897.70/97,230.40
  6. Step 6: Final answer
    x = 46,041.15

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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.