Home / 127,947.96-191,880.35-42,535.89

Finding the Fourth Proportional to 127,947.96, 191,880.35 and 42,535.89

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Solution

The fourth proportional to 127,947.96, 191,880.35 and 42,535.89 is: 63,790.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,947.96 : 191,880.35 = 42,535.89 : x
  2. Step 2: Convert to fraction form
    127,947.96/191,880.35 = 42,535.89/x
  3. Step 3: Cross multiply
    127,947.96x = 191,880.35 × 42,535.89
  4. Step 4: Simplify right side
    127,947.96x = 8,161,801,248.08
  5. Step 5: Solve for x
    x = 8,161,801,248.08/127,947.96
  6. Step 6: Final answer
    x = 63,790.01

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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.