Home / 144,361.86-216,542.79-70,426.50

Finding the Fourth Proportional to 144,361.86, 216,542.79 and 70,426.50

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Solution

The fourth proportional to 144,361.86, 216,542.79 and 70,426.50 is: 105,639.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,361.86 : 216,542.79 = 70,426.50 : x
  2. Step 2: Convert to fraction form
    144,361.86/216,542.79 = 70,426.50/x
  3. Step 3: Cross multiply
    144,361.86x = 216,542.79 × 70,426.50
  4. Step 4: Simplify right side
    144,361.86x = 15,250,350,799.94
  5. Step 5: Solve for x
    x = 15,250,350,799.94/144,361.86
  6. Step 6: Final answer
    x = 105,639.75

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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.