Home / 156,865.08-216,473.63-85,244.94

Finding the Fourth Proportional to 156,865.08, 216,473.63 and 85,244.94

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Solution

The fourth proportional to 156,865.08, 216,473.63 and 85,244.94 is: 117,637.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,865.08 : 216,473.63 = 85,244.94 : x
  2. Step 2: Convert to fraction form
    156,865.08/216,473.63 = 85,244.94/x
  3. Step 3: Cross multiply
    156,865.08x = 216,473.63 × 85,244.94
  4. Step 4: Simplify right side
    156,865.08x = 18,453,281,174.71
  5. Step 5: Solve for x
    x = 18,453,281,174.71/156,865.08
  6. Step 6: Final answer
    x = 117,637.92

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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.