Home / 152,079.40-209,836.74-88,384.60

Finding the Fourth Proportional to 152,079.40, 209,836.74 and 88,384.60

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Solution

The fourth proportional to 152,079.40, 209,836.74 and 88,384.60 is: 121,951.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,079.40 : 209,836.74 = 88,384.60 : x
  2. Step 2: Convert to fraction form
    152,079.40/209,836.74 = 88,384.60/x
  3. Step 3: Cross multiply
    152,079.40x = 209,836.74 × 88,384.60
  4. Step 4: Simplify right side
    152,079.40x = 18,546,336,330.20
  5. Step 5: Solve for x
    x = 18,546,336,330.20/152,079.40
  6. Step 6: Final answer
    x = 121,951.67

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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.