Home / 158,884.59-219,260.07-87,264.39

Finding the Fourth Proportional to 158,884.59, 219,260.07 and 87,264.39

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Solution

The fourth proportional to 158,884.59, 219,260.07 and 87,264.39 is: 120,424.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,884.59 : 219,260.07 = 87,264.39 : x
  2. Step 2: Convert to fraction form
    158,884.59/219,260.07 = 87,264.39/x
  3. Step 3: Cross multiply
    158,884.59x = 219,260.07 × 87,264.39
  4. Step 4: Simplify right side
    158,884.59x = 19,133,596,259.91
  5. Step 5: Solve for x
    x = 19,133,596,259.91/158,884.59
  6. Step 6: Final answer
    x = 120,424.49

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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.