Home / 208,330.54-287,496-112,837.24

Finding the Fourth Proportional to 208,330.54, 287,496 and 112,837.24

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Solution

The fourth proportional to 208,330.54, 287,496 and 112,837.24 is: 155,715.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,330.54 : 287,496 = 112,837.24 : x
  2. Step 2: Convert to fraction form
    208,330.54/287,496 = 112,837.24/x
  3. Step 3: Cross multiply
    208,330.54x = 287,496 × 112,837.24
  4. Step 4: Simplify right side
    208,330.54x = 32,440,255,151.04
  5. Step 5: Solve for x
    x = 32,440,255,151.04/208,330.54
  6. Step 6: Final answer
    x = 155,715.31

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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.