Home / 250,417.80-345,574.58-137,240.28

Finding the Fourth Proportional to 250,417.80, 345,574.58 and 137,240.28

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Solution

The fourth proportional to 250,417.80, 345,574.58 and 137,240.28 is: 189,390.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,417.80 : 345,574.58 = 137,240.28 : x
  2. Step 2: Convert to fraction form
    250,417.80/345,574.58 = 137,240.28/x
  3. Step 3: Cross multiply
    250,417.80x = 345,574.58 × 137,240.28
  4. Step 4: Simplify right side
    250,417.80x = 47,426,752,120.08
  5. Step 5: Solve for x
    x = 47,426,752,120.08/250,417.80
  6. Step 6: Final answer
    x = 189,390.50

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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.