Home / 158,880.60-219,259.06-87,262.20

Finding the Fourth Proportional to 158,880.60, 219,259.06 and 87,262.20

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Solution

The fourth proportional to 158,880.60, 219,259.06 and 87,262.20 is: 120,423.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,880.60 : 219,259.06 = 87,262.20 : x
  2. Step 2: Convert to fraction form
    158,880.60/219,259.06 = 87,262.20/x
  3. Step 3: Cross multiply
    158,880.60x = 219,259.06 × 87,262.20
  4. Step 4: Simplify right side
    158,880.60x = 19,133,027,945.53
  5. Step 5: Solve for x
    x = 19,133,027,945.53/158,880.60
  6. Step 6: Final answer
    x = 120,423.94

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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.