Home / 257,179.04-354,908.13-142,455.20

Finding the Fourth Proportional to 257,179.04, 354,908.13 and 142,455.20

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Solution

The fourth proportional to 257,179.04, 354,908.13 and 142,455.20 is: 196,588.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,179.04 : 354,908.13 = 142,455.20 : x
  2. Step 2: Convert to fraction form
    257,179.04/354,908.13 = 142,455.20/x
  3. Step 3: Cross multiply
    257,179.04x = 354,908.13 × 142,455.20
  4. Step 4: Simplify right side
    257,179.04x = 50,558,506,866.24
  5. Step 5: Solve for x
    x = 50,558,506,866.24/257,179.04
  6. Step 6: Final answer
    x = 196,588.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.