Home / 158,710.20-219,009.36-87,094.81

Finding the Fourth Proportional to 158,710.20, 219,009.36 and 87,094.81

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Solution

The fourth proportional to 158,710.20, 219,009.36 and 87,094.81 is: 120,184.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,710.20 : 219,009.36 = 87,094.81 : x
  2. Step 2: Convert to fraction form
    158,710.20/219,009.36 = 87,094.81/x
  3. Step 3: Cross multiply
    158,710.20x = 219,009.36 × 87,094.81
  4. Step 4: Simplify right side
    158,710.20x = 19,074,578,597.42
  5. Step 5: Solve for x
    x = 19,074,578,597.42/158,710.20
  6. Step 6: Final answer
    x = 120,184.96

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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.