Home / 156,741.22-216,369.11-105,822.93

Finding the Fourth Proportional to 156,741.22, 216,369.11 and 105,822.93

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Solution

The fourth proportional to 156,741.22, 216,369.11 and 105,822.93 is: 146,080.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,741.22 : 216,369.11 = 105,822.93 : x
  2. Step 2: Convert to fraction form
    156,741.22/216,369.11 = 105,822.93/x
  3. Step 3: Cross multiply
    156,741.22x = 216,369.11 × 105,822.93
  4. Step 4: Simplify right side
    156,741.22x = 22,896,812,652.58
  5. Step 5: Solve for x
    x = 22,896,812,652.58/156,741.22
  6. Step 6: Final answer
    x = 146,080.36

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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.