Home / 144,021.40-216,032.10-96,782.20

Finding the Fourth Proportional to 144,021.40, 216,032.10 and 96,782.20

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Solution

The fourth proportional to 144,021.40, 216,032.10 and 96,782.20 is: 145,173.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,021.40 : 216,032.10 = 96,782.20 : x
  2. Step 2: Convert to fraction form
    144,021.40/216,032.10 = 96,782.20/x
  3. Step 3: Cross multiply
    144,021.40x = 216,032.10 × 96,782.20
  4. Step 4: Simplify right side
    144,021.40x = 20,908,061,908.62
  5. Step 5: Solve for x
    x = 20,908,061,908.62/144,021.40
  6. Step 6: Final answer
    x = 145,173.30

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1.5x scale

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.