Home / 112,793.64-155,656.76-61,805.36

Finding the Fourth Proportional to 112,793.64, 155,656.76 and 61,805.36

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Solution

The fourth proportional to 112,793.64, 155,656.76 and 61,805.36 is: 85,292.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,793.64 : 155,656.76 = 61,805.36 : x
  2. Step 2: Convert to fraction form
    112,793.64/155,656.76 = 61,805.36/x
  3. Step 3: Cross multiply
    112,793.64x = 155,656.76 × 61,805.36
  4. Step 4: Simplify right side
    112,793.64x = 9,620,422,088.23
  5. Step 5: Solve for x
    x = 9,620,422,088.23/112,793.64
  6. Step 6: Final answer
    x = 85,292.24

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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.