Home / 141,485.44-212,316-82,347.52

Finding the Fourth Proportional to 141,485.44, 212,316 and 82,347.52

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Solution

The fourth proportional to 141,485.44, 212,316 and 82,347.52 is: 123,572.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,485.44 : 212,316 = 82,347.52 : x
  2. Step 2: Convert to fraction form
    141,485.44/212,316 = 82,347.52/x
  3. Step 3: Cross multiply
    141,485.44x = 212,316 × 82,347.52
  4. Step 4: Simplify right side
    141,485.44x = 17,483,696,056.32
  5. Step 5: Solve for x
    x = 17,483,696,056.32/141,485.44
  6. Step 6: Final answer
    x = 123,572.40

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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.