Home / 110,417.60-165,638.55-40,312.10

Finding the Fourth Proportional to 110,417.60, 165,638.55 and 40,312.10

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Solution

The fourth proportional to 110,417.60, 165,638.55 and 40,312.10 is: 60,472.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,417.60 : 165,638.55 = 40,312.10 : x
  2. Step 2: Convert to fraction form
    110,417.60/165,638.55 = 40,312.10/x
  3. Step 3: Cross multiply
    110,417.60x = 165,638.55 × 40,312.10
  4. Step 4: Simplify right side
    110,417.60x = 6,677,237,791.46
  5. Step 5: Solve for x
    x = 6,677,237,791.46/110,417.60
  6. Step 6: Final answer
    x = 60,472.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.