Home / 159,070.39-219,518.46-87,448.84

Finding the Fourth Proportional to 159,070.39, 219,518.46 and 87,448.84

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Solution

The fourth proportional to 159,070.39, 219,518.46 and 87,448.84 is: 120,680.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,070.39 : 219,518.46 = 87,448.84 : x
  2. Step 2: Convert to fraction form
    159,070.39/219,518.46 = 87,448.84/x
  3. Step 3: Cross multiply
    159,070.39x = 219,518.46 × 87,448.84
  4. Step 4: Simplify right side
    159,070.39x = 19,196,634,685.59
  5. Step 5: Solve for x
    x = 19,196,634,685.59/159,070.39
  6. Step 6: Final answer
    x = 120,680.13

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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.