Home / 127,242.81-190,885.17-43,008.07

Finding the Fourth Proportional to 127,242.81, 190,885.17 and 43,008.07

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Solution

The fourth proportional to 127,242.81, 190,885.17 and 43,008.07 is: 64,519.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,242.81 : 190,885.17 = 43,008.07 : x
  2. Step 2: Convert to fraction form
    127,242.81/190,885.17 = 43,008.07/x
  3. Step 3: Cross multiply
    127,242.81x = 190,885.17 × 43,008.07
  4. Step 4: Simplify right side
    127,242.81x = 8,209,602,753.32
  5. Step 5: Solve for x
    x = 8,209,602,753.32/127,242.81
  6. Step 6: Final answer
    x = 64,519.19

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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.