Home / 161,984.40-242,976.48-87,001.32

Finding the Fourth Proportional to 161,984.40, 242,976.48 and 87,001.32

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Solution

The fourth proportional to 161,984.40, 242,976.48 and 87,001.32 is: 130,501.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,984.40 : 242,976.48 = 87,001.32 : x
  2. Step 2: Convert to fraction form
    161,984.40/242,976.48 = 87,001.32/x
  3. Step 3: Cross multiply
    161,984.40x = 242,976.48 × 87,001.32
  4. Step 4: Simplify right side
    161,984.40x = 21,139,274,488.95
  5. Step 5: Solve for x
    x = 21,139,274,488.95/161,984.40
  6. Step 6: Final answer
    x = 130,501.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.