Home / 108,510.13-162,765.20-45,295.77

Finding the Fourth Proportional to 108,510.13, 162,765.20 and 45,295.77

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Solution

The fourth proportional to 108,510.13, 162,765.20 and 45,295.77 is: 67,943.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,510.13 : 162,765.20 = 45,295.77 : x
  2. Step 2: Convert to fraction form
    108,510.13/162,765.20 = 45,295.77/x
  3. Step 3: Cross multiply
    108,510.13x = 162,765.20 × 45,295.77
  4. Step 4: Simplify right side
    108,510.13x = 7,372,575,786.81
  5. Step 5: Solve for x
    x = 7,372,575,786.81/108,510.13
  6. Step 6: Final answer
    x = 67,943.66

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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.