Home / 155,270.35-232,608.54-130,130.72

Finding the Fourth Proportional to 155,270.35, 232,608.54 and 130,130.72

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Solution

The fourth proportional to 155,270.35, 232,608.54 and 130,130.72 is: 194,947.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,270.35 : 232,608.54 = 130,130.72 : x
  2. Step 2: Convert to fraction form
    155,270.35/232,608.54 = 130,130.72/x
  3. Step 3: Cross multiply
    155,270.35x = 232,608.54 × 130,130.72
  4. Step 4: Simplify right side
    155,270.35x = 30,269,516,985.58
  5. Step 5: Solve for x
    x = 30,269,516,985.58/155,270.35
  6. Step 6: Final answer
    x = 194,947.18

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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.