Home / 158,737.14-219,057.08-87,117.35

Finding the Fourth Proportional to 158,737.14, 219,057.08 and 87,117.35

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Solution

The fourth proportional to 158,737.14, 219,057.08 and 87,117.35 is: 120,221.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,737.14 : 219,057.08 = 87,117.35 : x
  2. Step 2: Convert to fraction form
    158,737.14/219,057.08 = 87,117.35/x
  3. Step 3: Cross multiply
    158,737.14x = 219,057.08 × 87,117.35
  4. Step 4: Simplify right side
    158,737.14x = 19,083,670,777.47
  5. Step 5: Solve for x
    x = 19,083,670,777.47/158,737.14
  6. Step 6: Final answer
    x = 120,221.84

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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.