Home / 210,914.67-291,061.71-115,420.53

Finding the Fourth Proportional to 210,914.67, 291,061.71 and 115,420.53

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Solution

The fourth proportional to 210,914.67, 291,061.71 and 115,420.53 is: 159,280.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,914.67 : 291,061.71 = 115,420.53 : x
  2. Step 2: Convert to fraction form
    210,914.67/291,061.71 = 115,420.53/x
  3. Step 3: Cross multiply
    210,914.67x = 291,061.71 × 115,420.53
  4. Step 4: Simplify right side
    210,914.67x = 33,594,496,830.91
  5. Step 5: Solve for x
    x = 33,594,496,830.91/210,914.67
  6. Step 6: Final answer
    x = 159,280.04

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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.