Home / 158,900.08-219,283.05-87,278.26

Finding the Fourth Proportional to 158,900.08, 219,283.05 and 87,278.26

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Solution

The fourth proportional to 158,900.08, 219,283.05 and 87,278.26 is: 120,444.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,900.08 : 219,283.05 = 87,278.26 : x
  2. Step 2: Convert to fraction form
    158,900.08/219,283.05 = 87,278.26/x
  3. Step 3: Cross multiply
    158,900.08x = 219,283.05 × 87,278.26
  4. Step 4: Simplify right side
    158,900.08x = 19,138,643,051.49
  5. Step 5: Solve for x
    x = 19,138,643,051.49/158,900.08
  6. Step 6: Final answer
    x = 120,444.51

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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.