Home / 85,077.10-127,615.65-73,267.30

Finding the Fourth Proportional to 85,077.10, 127,615.65 and 73,267.30

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Solution

The fourth proportional to 85,077.10, 127,615.65 and 73,267.30 is: 109,900.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,077.10 : 127,615.65 = 73,267.30 : x
  2. Step 2: Convert to fraction form
    85,077.10/127,615.65 = 73,267.30/x
  3. Step 3: Cross multiply
    85,077.10x = 127,615.65 × 73,267.30
  4. Step 4: Simplify right side
    85,077.10x = 9,350,054,113.25
  5. Step 5: Solve for x
    x = 9,350,054,113.25/85,077.10
  6. Step 6: Final answer
    x = 109,900.95

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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.