Home / 208,036.88-286,999.76-121,952.24

Finding the Fourth Proportional to 208,036.88, 286,999.76 and 121,952.24

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Solution

The fourth proportional to 208,036.88, 286,999.76 and 121,952.24 is: 168,240.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,036.88 : 286,999.76 = 121,952.24 : x
  2. Step 2: Convert to fraction form
    208,036.88/286,999.76 = 121,952.24/x
  3. Step 3: Cross multiply
    208,036.88x = 286,999.76 × 121,952.24
  4. Step 4: Simplify right side
    208,036.88x = 35,000,263,611.46
  5. Step 5: Solve for x
    x = 35,000,263,611.46/208,036.88
  6. Step 6: Final answer
    x = 168,240.67

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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.