Home / 96,415.30-144,477.15-81,543.70

Finding the Fourth Proportional to 96,415.30, 144,477.15 and 81,543.70

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Solution

The fourth proportional to 96,415.30, 144,477.15 and 81,543.70 is: 122,192.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,415.30 : 144,477.15 = 81,543.70 : x
  2. Step 2: Convert to fraction form
    96,415.30/144,477.15 = 81,543.70/x
  3. Step 3: Cross multiply
    96,415.30x = 144,477.15 × 81,543.70
  4. Step 4: Simplify right side
    96,415.30x = 11,781,201,376.46
  5. Step 5: Solve for x
    x = 11,781,201,376.46/96,415.30
  6. Step 6: Final answer
    x = 122,192.24

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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.