Home / 97,983.40-146,903.10-31,385.32

Finding the Fourth Proportional to 97,983.40, 146,903.10 and 31,385.32

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Solution

The fourth proportional to 97,983.40, 146,903.10 and 31,385.32 is: 47,054.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,983.40 : 146,903.10 = 31,385.32 : x
  2. Step 2: Convert to fraction form
    97,983.40/146,903.10 = 31,385.32/x
  3. Step 3: Cross multiply
    97,983.40x = 146,903.10 × 31,385.32
  4. Step 4: Simplify right side
    97,983.40x = 4,610,600,802.49
  5. Step 5: Solve for x
    x = 4,610,600,802.49/97,983.40
  6. Step 6: Final answer
    x = 47,054.92

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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.