Home / 223,025.60-334,084.80-138,526.40

Finding the Fourth Proportional to 223,025.60, 334,084.80 and 138,526.40

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Solution

The fourth proportional to 223,025.60, 334,084.80 and 138,526.40 is: 207,507.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,025.60 : 334,084.80 = 138,526.40 : x
  2. Step 2: Convert to fraction form
    223,025.60/334,084.80 = 138,526.40/x
  3. Step 3: Cross multiply
    223,025.60x = 334,084.80 × 138,526.40
  4. Step 4: Simplify right side
    223,025.60x = 46,279,564,638.72
  5. Step 5: Solve for x
    x = 46,279,564,638.72/223,025.60
  6. Step 6: Final answer
    x = 207,507.86

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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.