Home / 230,222.76-317,722.04-139,587.40

Finding the Fourth Proportional to 230,222.76, 317,722.04 and 139,587.40

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Solution

The fourth proportional to 230,222.76, 317,722.04 and 139,587.40 is: 192,639.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,222.76 : 317,722.04 = 139,587.40 : x
  2. Step 2: Convert to fraction form
    230,222.76/317,722.04 = 139,587.40/x
  3. Step 3: Cross multiply
    230,222.76x = 317,722.04 × 139,587.40
  4. Step 4: Simplify right side
    230,222.76x = 44,349,993,486.30
  5. Step 5: Solve for x
    x = 44,349,993,486.30/230,222.76
  6. Step 6: Final answer
    x = 192,639.48

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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.