Home / 112,918.35-155,827.32-62,617.35

Finding the Fourth Proportional to 112,918.35, 155,827.32 and 62,617.35

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Solution

The fourth proportional to 112,918.35, 155,827.32 and 62,617.35 is: 86,411.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,918.35 : 155,827.32 = 62,617.35 : x
  2. Step 2: Convert to fraction form
    112,918.35/155,827.32 = 62,617.35/x
  3. Step 3: Cross multiply
    112,918.35x = 155,827.32 × 62,617.35
  4. Step 4: Simplify right side
    112,918.35x = 9,757,493,836.00
  5. Step 5: Solve for x
    x = 9,757,493,836.00/112,918.35
  6. Step 6: Final answer
    x = 86,411.94

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1.5x scale

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.