Home / 253,410.08-349,703.88-140,239.04

Finding the Fourth Proportional to 253,410.08, 349,703.88 and 140,239.04

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Solution

The fourth proportional to 253,410.08, 349,703.88 and 140,239.04 is: 193,528.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,410.08 : 349,703.88 = 140,239.04 : x
  2. Step 2: Convert to fraction form
    253,410.08/349,703.88 = 140,239.04/x
  3. Step 3: Cross multiply
    253,410.08x = 349,703.88 × 140,239.04
  4. Step 4: Simplify right side
    253,410.08x = 49,042,136,415.48
  5. Step 5: Solve for x
    x = 49,042,136,415.48/253,410.08
  6. Step 6: Final answer
    x = 193,528.75

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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.