Home / 112,889.04-155,786.40-62,588.04

Finding the Fourth Proportional to 112,889.04, 155,786.40 and 62,588.04

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Solution

The fourth proportional to 112,889.04, 155,786.40 and 62,588.04 is: 86,371.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,889.04 : 155,786.40 = 62,588.04 : x
  2. Step 2: Convert to fraction form
    112,889.04/155,786.40 = 62,588.04/x
  3. Step 3: Cross multiply
    112,889.04x = 155,786.40 × 62,588.04
  4. Step 4: Simplify right side
    112,889.04x = 9,750,365,434.66
  5. Step 5: Solve for x
    x = 9,750,365,434.66/112,889.04
  6. Step 6: Final answer
    x = 86,371.23

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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.