Home / 108,491.20-162,762.78-45,276.16

Finding the Fourth Proportional to 108,491.20, 162,762.78 and 45,276.16

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Solution

The fourth proportional to 108,491.20, 162,762.78 and 45,276.16 is: 67,925.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,491.20 : 162,762.78 = 45,276.16 : x
  2. Step 2: Convert to fraction form
    108,491.20/162,762.78 = 45,276.16/x
  3. Step 3: Cross multiply
    108,491.20x = 162,762.78 × 45,276.16
  4. Step 4: Simplify right side
    108,491.20x = 7,369,273,669.32
  5. Step 5: Solve for x
    x = 7,369,273,669.32/108,491.20
  6. Step 6: Final answer
    x = 67,925.08

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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.