Home / 158,937.19-219,333.62-87,316.58

Finding the Fourth Proportional to 158,937.19, 219,333.62 and 87,316.58

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Solution

The fourth proportional to 158,937.19, 219,333.62 and 87,316.58 is: 120,497.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,937.19 : 219,333.62 = 87,316.58 : x
  2. Step 2: Convert to fraction form
    158,937.19/219,333.62 = 87,316.58/x
  3. Step 3: Cross multiply
    158,937.19x = 219,333.62 × 87,316.58
  4. Step 4: Simplify right side
    158,937.19x = 19,151,462,344.05
  5. Step 5: Solve for x
    x = 19,151,462,344.05/158,937.19
  6. Step 6: Final answer
    x = 120,497.05

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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.