Home / 156,860.10-235,097.42-72,506.14

Finding the Fourth Proportional to 156,860.10, 235,097.42 and 72,506.14

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Solution

The fourth proportional to 156,860.10, 235,097.42 and 72,506.14 is: 108,670.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,860.10 : 235,097.42 = 72,506.14 : x
  2. Step 2: Convert to fraction form
    156,860.10/235,097.42 = 72,506.14/x
  3. Step 3: Cross multiply
    156,860.10x = 235,097.42 × 72,506.14
  4. Step 4: Simplify right side
    156,860.10x = 17,046,006,448.16
  5. Step 5: Solve for x
    x = 17,046,006,448.16/156,860.10
  6. Step 6: Final answer
    x = 108,670.12

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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.