Home / 159,316.04-219,830.41-91,320.50

Finding the Fourth Proportional to 159,316.04, 219,830.41 and 91,320.50

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Solution

The fourth proportional to 159,316.04, 219,830.41 and 91,320.50 is: 126,007.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,316.04 : 219,830.41 = 91,320.50 : x
  2. Step 2: Convert to fraction form
    159,316.04/219,830.41 = 91,320.50/x
  3. Step 3: Cross multiply
    159,316.04x = 219,830.41 × 91,320.50
  4. Step 4: Simplify right side
    159,316.04x = 20,075,023,620.13
  5. Step 5: Solve for x
    x = 20,075,023,620.13/159,316.04
  6. Step 6: Final answer
    x = 126,007.55

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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.