Home / 158,824.93-219,178.83-87,209.59

Finding the Fourth Proportional to 158,824.93, 219,178.83 and 87,209.59

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Solution

The fourth proportional to 158,824.93, 219,178.83 and 87,209.59 is: 120,349.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,824.93 : 219,178.83 = 87,209.59 : x
  2. Step 2: Convert to fraction form
    158,824.93/219,178.83 = 87,209.59/x
  3. Step 3: Cross multiply
    158,824.93x = 219,178.83 × 87,209.59
  4. Step 4: Simplify right side
    158,824.93x = 19,114,495,900.98
  5. Step 5: Solve for x
    x = 19,114,495,900.98/158,824.93
  6. Step 6: Final answer
    x = 120,349.47

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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.