Home / 144,415.20-216,039.60-124,910.40

Finding the Fourth Proportional to 144,415.20, 216,039.60 and 124,910.40

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Solution

The fourth proportional to 144,415.20, 216,039.60 and 124,910.40 is: 186,861.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,415.20 : 216,039.60 = 124,910.40 : x
  2. Step 2: Convert to fraction form
    144,415.20/216,039.60 = 124,910.40/x
  3. Step 3: Cross multiply
    144,415.20x = 216,039.60 × 124,910.40
  4. Step 4: Simplify right side
    144,415.20x = 26,985,592,851.84
  5. Step 5: Solve for x
    x = 26,985,592,851.84/144,415.20
  6. Step 6: Final answer
    x = 186,861.17

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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.