Home / 250,011.72-345,017.08-135,290.36

Finding the Fourth Proportional to 250,011.72, 345,017.08 and 135,290.36

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Solution

The fourth proportional to 250,011.72, 345,017.08 and 135,290.36 is: 186,701.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,011.72 : 345,017.08 = 135,290.36 : x
  2. Step 2: Convert to fraction form
    250,011.72/345,017.08 = 135,290.36/x
  3. Step 3: Cross multiply
    250,011.72x = 345,017.08 × 135,290.36
  4. Step 4: Simplify right side
    250,011.72x = 46,677,484,959.35
  5. Step 5: Solve for x
    x = 46,677,484,959.35/250,011.72
  6. Step 6: Final answer
    x = 186,701.19

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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.