Home / 112,727.75-155,564.34-62,426.75

Finding the Fourth Proportional to 112,727.75, 155,564.34 and 62,426.75

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Solution

The fourth proportional to 112,727.75, 155,564.34 and 62,426.75 is: 86,148.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,727.75 : 155,564.34 = 62,426.75 : x
  2. Step 2: Convert to fraction form
    112,727.75/155,564.34 = 62,426.75/x
  3. Step 3: Cross multiply
    112,727.75x = 155,564.34 × 62,426.75
  4. Step 4: Simplify right side
    112,727.75x = 9,711,376,162.10
  5. Step 5: Solve for x
    x = 9,711,376,162.10/112,727.75
  6. Step 6: Final answer
    x = 86,148.94

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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.