Home / 157,339.78-235,958.63-52,130.50

Finding the Fourth Proportional to 157,339.78, 235,958.63 and 52,130.50

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Solution

The fourth proportional to 157,339.78, 235,958.63 and 52,130.50 is: 78,178.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,339.78 : 235,958.63 = 52,130.50 : x
  2. Step 2: Convert to fraction form
    157,339.78/235,958.63 = 52,130.50/x
  3. Step 3: Cross multiply
    157,339.78x = 235,958.63 × 52,130.50
  4. Step 4: Simplify right side
    157,339.78x = 12,300,641,361.22
  5. Step 5: Solve for x
    x = 12,300,641,361.22/157,339.78
  6. Step 6: Final answer
    x = 78,178.84

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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.