Home / 156,752.24-216,319.68-85,133.64

Finding the Fourth Proportional to 156,752.24, 216,319.68 and 85,133.64

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Solution

The fourth proportional to 156,752.24, 216,319.68 and 85,133.64 is: 117,485.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,752.24 : 216,319.68 = 85,133.64 : x
  2. Step 2: Convert to fraction form
    156,752.24/216,319.68 = 85,133.64/x
  3. Step 3: Cross multiply
    156,752.24x = 216,319.68 × 85,133.64
  4. Step 4: Simplify right side
    156,752.24x = 18,416,081,762.04
  5. Step 5: Solve for x
    x = 18,416,081,762.04/156,752.24
  6. Step 6: Final answer
    x = 117,485.29

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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.