Home / 157,077.80-235,098.30-121,826.60

Finding the Fourth Proportional to 157,077.80, 235,098.30 and 121,826.60

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Solution

The fourth proportional to 157,077.80, 235,098.30 and 121,826.60 is: 182,337.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,077.80 : 235,098.30 = 121,826.60 : x
  2. Step 2: Convert to fraction form
    157,077.80/235,098.30 = 121,826.60/x
  3. Step 3: Cross multiply
    157,077.80x = 235,098.30 × 121,826.60
  4. Step 4: Simplify right side
    157,077.80x = 28,641,226,554.78
  5. Step 5: Solve for x
    x = 28,641,226,554.78/157,077.80
  6. Step 6: Final answer
    x = 182,337.84

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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.