Home / 119,838.64-165,376.20-66,124.12

Finding the Fourth Proportional to 119,838.64, 165,376.20 and 66,124.12

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Solution

The fourth proportional to 119,838.64, 165,376.20 and 66,124.12 is: 91,250.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,838.64 : 165,376.20 = 66,124.12 : x
  2. Step 2: Convert to fraction form
    119,838.64/165,376.20 = 66,124.12/x
  3. Step 3: Cross multiply
    119,838.64x = 165,376.20 × 66,124.12
  4. Step 4: Simplify right side
    119,838.64x = 10,935,355,693.94
  5. Step 5: Solve for x
    x = 10,935,355,693.94/119,838.64
  6. Step 6: Final answer
    x = 91,250.67

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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.