Home / 181,938.40-272,907.60-155,366.35

Finding the Fourth Proportional to 181,938.40, 272,907.60 and 155,366.35

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Solution

The fourth proportional to 181,938.40, 272,907.60 and 155,366.35 is: 233,049.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,938.40 : 272,907.60 = 155,366.35 : x
  2. Step 2: Convert to fraction form
    181,938.40/272,907.60 = 155,366.35/x
  3. Step 3: Cross multiply
    181,938.40x = 272,907.60 × 155,366.35
  4. Step 4: Simplify right side
    181,938.40x = 42,400,657,699.26
  5. Step 5: Solve for x
    x = 42,400,657,699.26/181,938.40
  6. Step 6: Final answer
    x = 233,049.53

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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.