Home / 144,278.84-216,429.15-43,068.91

Finding the Fourth Proportional to 144,278.84, 216,429.15 and 43,068.91

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Solution

The fourth proportional to 144,278.84, 216,429.15 and 43,068.91 is: 64,606.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,278.84 : 216,429.15 = 43,068.91 : x
  2. Step 2: Convert to fraction form
    144,278.84/216,429.15 = 43,068.91/x
  3. Step 3: Cross multiply
    144,278.84x = 216,429.15 × 43,068.91
  4. Step 4: Simplify right side
    144,278.84x = 9,321,366,555.09
  5. Step 5: Solve for x
    x = 9,321,366,555.09/144,278.84
  6. Step 6: Final answer
    x = 64,606.61

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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.