Home / 208,779.60-313,225.98-148,883.76

Finding the Fourth Proportional to 208,779.60, 313,225.98 and 148,883.76

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Solution

The fourth proportional to 208,779.60, 313,225.98 and 148,883.76 is: 223,365.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,779.60 : 313,225.98 = 148,883.76 : x
  2. Step 2: Convert to fraction form
    208,779.60/313,225.98 = 148,883.76/x
  3. Step 3: Cross multiply
    208,779.60x = 313,225.98 × 148,883.76
  4. Step 4: Simplify right side
    208,779.60x = 46,634,261,632.08
  5. Step 5: Solve for x
    x = 46,634,261,632.08/208,779.60
  6. Step 6: Final answer
    x = 223,365.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.