Home / 134,284.40-185,313.72-73,031.15

Finding the Fourth Proportional to 134,284.40, 185,313.72 and 73,031.15

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Solution

The fourth proportional to 134,284.40, 185,313.72 and 73,031.15 is: 100,783.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,284.40 : 185,313.72 = 73,031.15 : x
  2. Step 2: Convert to fraction form
    134,284.40/185,313.72 = 73,031.15/x
  3. Step 3: Cross multiply
    134,284.40x = 185,313.72 × 73,031.15
  4. Step 4: Simplify right side
    134,284.40x = 13,533,673,155.81
  5. Step 5: Solve for x
    x = 13,533,673,155.81/134,284.40
  6. Step 6: Final answer
    x = 100,783.66

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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.