Home / 255,618.45-352,779.71-153,677.12

Finding the Fourth Proportional to 255,618.45, 352,779.71 and 153,677.12

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Solution

The fourth proportional to 255,618.45, 352,779.71 and 153,677.12 is: 212,090.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,618.45 : 352,779.71 = 153,677.12 : x
  2. Step 2: Convert to fraction form
    255,618.45/352,779.71 = 153,677.12/x
  3. Step 3: Cross multiply
    255,618.45x = 352,779.71 × 153,677.12
  4. Step 4: Simplify right side
    255,618.45x = 54,214,167,294.95
  5. Step 5: Solve for x
    x = 54,214,167,294.95/255,618.45
  6. Step 6: Final answer
    x = 212,090.20

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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.