Home / 156,741.46-216,369.40-105,823.14

Finding the Fourth Proportional to 156,741.46, 216,369.40 and 105,823.14

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Solution

The fourth proportional to 156,741.46, 216,369.40 and 105,823.14 is: 146,080.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,741.46 : 216,369.40 = 105,823.14 : x
  2. Step 2: Convert to fraction form
    156,741.46/216,369.40 = 105,823.14/x
  3. Step 3: Cross multiply
    156,741.46x = 216,369.40 × 105,823.14
  4. Step 4: Simplify right side
    156,741.46x = 22,896,889,307.92
  5. Step 5: Solve for x
    x = 22,896,889,307.92/156,741.46
  6. Step 6: Final answer
    x = 146,080.62

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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.