Home / 158,225.75-218,352.23-85,628.65

Finding the Fourth Proportional to 158,225.75, 218,352.23 and 85,628.65

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Solution

The fourth proportional to 158,225.75, 218,352.23 and 85,628.65 is: 118,167.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,225.75 : 218,352.23 = 85,628.65 : x
  2. Step 2: Convert to fraction form
    158,225.75/218,352.23 = 85,628.65/x
  3. Step 3: Cross multiply
    158,225.75x = 218,352.23 × 85,628.65
  4. Step 4: Simplify right side
    158,225.75x = 18,697,205,827.79
  5. Step 5: Solve for x
    x = 18,697,205,827.79/158,225.75
  6. Step 6: Final answer
    x = 118,167.91

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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.