Home / 208,424.40-287,625.93-112,931.07

Finding the Fourth Proportional to 208,424.40, 287,625.93 and 112,931.07

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Solution

The fourth proportional to 208,424.40, 287,625.93 and 112,931.07 is: 155,845.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,424.40 : 287,625.93 = 112,931.07 : x
  2. Step 2: Convert to fraction form
    208,424.40/287,625.93 = 112,931.07/x
  3. Step 3: Cross multiply
    208,424.40x = 287,625.93 × 112,931.07
  4. Step 4: Simplify right side
    208,424.40x = 32,481,904,034.65
  5. Step 5: Solve for x
    x = 32,481,904,034.65/208,424.40
  6. Step 6: Final answer
    x = 155,845.02

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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.