Home / 238,069.74-328,535.34-130,641.57

Finding the Fourth Proportional to 238,069.74, 328,535.34 and 130,641.57

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Solution

The fourth proportional to 238,069.74, 328,535.34 and 130,641.57 is: 180,284.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,069.74 : 328,535.34 = 130,641.57 : x
  2. Step 2: Convert to fraction form
    238,069.74/328,535.34 = 130,641.57/x
  3. Step 3: Cross multiply
    238,069.74x = 328,535.34 × 130,641.57
  4. Step 4: Simplify right side
    238,069.74x = 42,920,372,618.08
  5. Step 5: Solve for x
    x = 42,920,372,618.08/238,069.74
  6. Step 6: Final answer
    x = 180,284.87

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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.