Home / 112,982.13-155,914.56-62,681.13

Finding the Fourth Proportional to 112,982.13, 155,914.56 and 62,681.13

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Solution

The fourth proportional to 112,982.13, 155,914.56 and 62,681.13 is: 86,499.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,982.13 : 155,914.56 = 62,681.13 : x
  2. Step 2: Convert to fraction form
    112,982.13/155,914.56 = 62,681.13/x
  3. Step 3: Cross multiply
    112,982.13x = 155,914.56 × 62,681.13
  4. Step 4: Simplify right side
    112,982.13x = 9,772,900,804.25
  5. Step 5: Solve for x
    x = 9,772,900,804.25/112,982.13
  6. Step 6: Final answer
    x = 86,499.53

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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.