Home / 250,228.08-345,301.56-137,048.40

Finding the Fourth Proportional to 250,228.08, 345,301.56 and 137,048.40

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Solution

The fourth proportional to 250,228.08, 345,301.56 and 137,048.40 is: 189,119.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,228.08 : 345,301.56 = 137,048.40 : x
  2. Step 2: Convert to fraction form
    250,228.08/345,301.56 = 137,048.40/x
  3. Step 3: Cross multiply
    250,228.08x = 345,301.56 × 137,048.40
  4. Step 4: Simplify right side
    250,228.08x = 47,323,026,315.50
  5. Step 5: Solve for x
    x = 47,323,026,315.50/250,228.08
  6. Step 6: Final answer
    x = 189,119.57

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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.