Home / 157,078.40-235,732.80-104,470.40

Finding the Fourth Proportional to 157,078.40, 235,732.80 and 104,470.40

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Solution

The fourth proportional to 157,078.40, 235,732.80 and 104,470.40 is: 156,782.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,078.40 : 235,732.80 = 104,470.40 : x
  2. Step 2: Convert to fraction form
    157,078.40/235,732.80 = 104,470.40/x
  3. Step 3: Cross multiply
    157,078.40x = 235,732.80 × 104,470.40
  4. Step 4: Simplify right side
    157,078.40x = 24,627,099,909.12
  5. Step 5: Solve for x
    x = 24,627,099,909.12/157,078.40
  6. Step 6: Final answer
    x = 156,782.22

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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.