Home / 142,719.26-214,070.65-42,877.26

Finding the Fourth Proportional to 142,719.26, 214,070.65 and 42,877.26

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Solution

The fourth proportional to 142,719.26, 214,070.65 and 42,877.26 is: 64,313.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,719.26 : 214,070.65 = 42,877.26 : x
  2. Step 2: Convert to fraction form
    142,719.26/214,070.65 = 42,877.26/x
  3. Step 3: Cross multiply
    142,719.26x = 214,070.65 × 42,877.26
  4. Step 4: Simplify right side
    142,719.26x = 9,178,762,918.42
  5. Step 5: Solve for x
    x = 9,178,762,918.42/142,719.26
  6. Step 6: Final answer
    x = 64,313.41

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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.