Home / 144,004.10-216,006.15-91,451.30

Finding the Fourth Proportional to 144,004.10, 216,006.15 and 91,451.30

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Solution

The fourth proportional to 144,004.10, 216,006.15 and 91,451.30 is: 137,176.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,004.10 : 216,006.15 = 91,451.30 : x
  2. Step 2: Convert to fraction form
    144,004.10/216,006.15 = 91,451.30/x
  3. Step 3: Cross multiply
    144,004.10x = 216,006.15 × 91,451.30
  4. Step 4: Simplify right side
    144,004.10x = 19,754,043,225.50
  5. Step 5: Solve for x
    x = 19,754,043,225.50/144,004.10
  6. Step 6: Final answer
    x = 137,176.95

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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.