Home / 142,718.04-214,107.12-53,969.58

Finding the Fourth Proportional to 142,718.04, 214,107.12 and 53,969.58

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Solution

The fourth proportional to 142,718.04, 214,107.12 and 53,969.58 is: 80,965.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,718.04 : 214,107.12 = 53,969.58 : x
  2. Step 2: Convert to fraction form
    142,718.04/214,107.12 = 53,969.58/x
  3. Step 3: Cross multiply
    142,718.04x = 214,107.12 × 53,969.58
  4. Step 4: Simplify right side
    142,718.04x = 11,555,271,341.41
  5. Step 5: Solve for x
    x = 11,555,271,341.41/142,718.04
  6. Step 6: Final answer
    x = 80,965.74

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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.