Home / 103,333.81-142,583.67-60,886.57

Finding the Fourth Proportional to 103,333.81, 142,583.67 and 60,886.57

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Solution

The fourth proportional to 103,333.81, 142,583.67 and 60,886.57 is: 84,013.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,333.81 : 142,583.67 = 60,886.57 : x
  2. Step 2: Convert to fraction form
    103,333.81/142,583.67 = 60,886.57/x
  3. Step 3: Cross multiply
    103,333.81x = 142,583.67 × 60,886.57
  4. Step 4: Simplify right side
    103,333.81x = 8,681,430,604.31
  5. Step 5: Solve for x
    x = 8,681,430,604.31/103,333.81
  6. Step 6: Final answer
    x = 84,013.46

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1.5x scale

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.