Home / 96,810.40-145,210.36-30,242.88

Finding the Fourth Proportional to 96,810.40, 145,210.36 and 30,242.88

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Solution

The fourth proportional to 96,810.40, 145,210.36 and 30,242.88 is: 45,362.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,810.40 : 145,210.36 = 30,242.88 : x
  2. Step 2: Convert to fraction form
    96,810.40/145,210.36 = 30,242.88/x
  3. Step 3: Cross multiply
    96,810.40x = 145,210.36 × 30,242.88
  4. Step 4: Simplify right side
    96,810.40x = 4,391,579,492.24
  5. Step 5: Solve for x
    x = 4,391,579,492.24/96,810.40
  6. Step 6: Final answer
    x = 45,362.68

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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.