Home / 103,261.81-142,484.37-60,814.57

Finding the Fourth Proportional to 103,261.81, 142,484.37 and 60,814.57

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Solution

The fourth proportional to 103,261.81, 142,484.37 and 60,814.57 is: 83,914.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,261.81 : 142,484.37 = 60,814.57 : x
  2. Step 2: Convert to fraction form
    103,261.81/142,484.37 = 60,814.57/x
  3. Step 3: Cross multiply
    103,261.81x = 142,484.37 × 60,814.57
  4. Step 4: Simplify right side
    103,261.81x = 8,665,125,693.27
  5. Step 5: Solve for x
    x = 8,665,125,693.27/103,261.81
  6. Step 6: Final answer
    x = 83,914.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.