Home / 157,296.54-235,505.19-84,990.45

Finding the Fourth Proportional to 157,296.54, 235,505.19 and 84,990.45

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Solution

The fourth proportional to 157,296.54, 235,505.19 and 84,990.45 is: 127,248.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,296.54 : 235,505.19 = 84,990.45 : x
  2. Step 2: Convert to fraction form
    157,296.54/235,505.19 = 84,990.45/x
  3. Step 3: Cross multiply
    157,296.54x = 235,505.19 × 84,990.45
  4. Step 4: Simplify right side
    157,296.54x = 20,015,692,075.44
  5. Step 5: Solve for x
    x = 20,015,692,075.44/157,296.54
  6. Step 6: Final answer
    x = 127,248.14

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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.