Home / 158,825.32-219,177.42-87,204.71

Finding the Fourth Proportional to 158,825.32, 219,177.42 and 87,204.71

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Solution

The fourth proportional to 158,825.32, 219,177.42 and 87,204.71 is: 120,341.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,825.32 : 219,177.42 = 87,204.71 : x
  2. Step 2: Convert to fraction form
    158,825.32/219,177.42 = 87,204.71/x
  3. Step 3: Cross multiply
    158,825.32x = 219,177.42 × 87,204.71
  4. Step 4: Simplify right side
    158,825.32x = 19,113,303,349.65
  5. Step 5: Solve for x
    x = 19,113,303,349.65/158,825.32
  6. Step 6: Final answer
    x = 120,341.66

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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.