Home / 257,084.04-354,779.70-148,128.24

Finding the Fourth Proportional to 257,084.04, 354,779.70 and 148,128.24

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Solution

The fourth proportional to 257,084.04, 354,779.70 and 148,128.24 is: 204,419.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,084.04 : 354,779.70 = 148,128.24 : x
  2. Step 2: Convert to fraction form
    257,084.04/354,779.70 = 148,128.24/x
  3. Step 3: Cross multiply
    257,084.04x = 354,779.70 × 148,128.24
  4. Step 4: Simplify right side
    257,084.04x = 52,552,892,548.73
  5. Step 5: Solve for x
    x = 52,552,892,548.73/257,084.04
  6. Step 6: Final answer
    x = 204,419.12

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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.