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Finding the Fourth Proportional to 144,187.40, 216,303.58 and 69,293.58

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Solution

The fourth proportional to 144,187.40, 216,303.58 and 69,293.58 is: 103,951.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,187.40 : 216,303.58 = 69,293.58 : x
  2. Step 2: Convert to fraction form
    144,187.40/216,303.58 = 69,293.58/x
  3. Step 3: Cross multiply
    144,187.40x = 216,303.58 × 69,293.58
  4. Step 4: Simplify right side
    144,187.40x = 14,988,449,425.02
  5. Step 5: Solve for x
    x = 14,988,449,425.02/144,187.40
  6. Step 6: Final answer
    x = 103,951.17

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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.