Home / 120,030.46-165,627.91-66,312.27

Finding the Fourth Proportional to 120,030.46, 165,627.91 and 66,312.27

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Solution

The fourth proportional to 120,030.46, 165,627.91 and 66,312.27 is: 91,503.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,030.46 : 165,627.91 = 66,312.27 : x
  2. Step 2: Convert to fraction form
    120,030.46/165,627.91 = 66,312.27/x
  3. Step 3: Cross multiply
    120,030.46x = 165,627.91 × 66,312.27
  4. Step 4: Simplify right side
    120,030.46x = 10,983,162,956.85
  5. Step 5: Solve for x
    x = 10,983,162,956.85/120,030.46
  6. Step 6: Final answer
    x = 91,503.13

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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.