Home / 112,323.93-155,007.78-61,337.03

Finding the Fourth Proportional to 112,323.93, 155,007.78 and 61,337.03

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Solution

The fourth proportional to 112,323.93, 155,007.78 and 61,337.03 is: 84,645.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,323.93 : 155,007.78 = 61,337.03 : x
  2. Step 2: Convert to fraction form
    112,323.93/155,007.78 = 61,337.03/x
  3. Step 3: Cross multiply
    112,323.93x = 155,007.78 × 61,337.03
  4. Step 4: Simplify right side
    112,323.93x = 9,507,716,852.09
  5. Step 5: Solve for x
    x = 9,507,716,852.09/112,323.93
  6. Step 6: Final answer
    x = 84,645.51

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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.