Home / 112,569.38-155,346.96-61,581.01

Finding the Fourth Proportional to 112,569.38, 155,346.96 and 61,581.01

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Solution

The fourth proportional to 112,569.38, 155,346.96 and 61,581.01 is: 84,982.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,569.38 : 155,346.96 = 61,581.01 : x
  2. Step 2: Convert to fraction form
    112,569.38/155,346.96 = 61,581.01/x
  3. Step 3: Cross multiply
    112,569.38x = 155,346.96 × 61,581.01
  4. Step 4: Simplify right side
    112,569.38x = 9,566,421,920.49
  5. Step 5: Solve for x
    x = 9,566,421,920.49/112,569.38
  6. Step 6: Final answer
    x = 84,982.46

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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.