Home / 152,255.52-209,973.78-130,738.50

Finding the Fourth Proportional to 152,255.52, 209,973.78 and 130,738.50

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Solution

The fourth proportional to 152,255.52, 209,973.78 and 130,738.50 is: 180,299.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,255.52 : 209,973.78 = 130,738.50 : x
  2. Step 2: Convert to fraction form
    152,255.52/209,973.78 = 130,738.50/x
  3. Step 3: Cross multiply
    152,255.52x = 209,973.78 × 130,738.50
  4. Step 4: Simplify right side
    152,255.52x = 27,451,657,036.53
  5. Step 5: Solve for x
    x = 27,451,657,036.53/152,255.52
  6. Step 6: Final answer
    x = 180,299.91

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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.