Home / 112,886.73-169,330.91-91,802.16

Finding the Fourth Proportional to 112,886.73, 169,330.91 and 91,802.16

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Solution

The fourth proportional to 112,886.73, 169,330.91 and 91,802.16 is: 137,703.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,886.73 : 169,330.91 = 91,802.16 : x
  2. Step 2: Convert to fraction form
    112,886.73/169,330.91 = 91,802.16/x
  3. Step 3: Cross multiply
    112,886.73x = 169,330.91 × 91,802.16
  4. Step 4: Simplify right side
    112,886.73x = 15,544,942,833.75
  5. Step 5: Solve for x
    x = 15,544,942,833.75/112,886.73
  6. Step 6: Final answer
    x = 137,703.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.