Home / 112,570.87-155,349.03-61,582.51

Finding the Fourth Proportional to 112,570.87, 155,349.03 and 61,582.51

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Solution

The fourth proportional to 112,570.87, 155,349.03 and 61,582.51 is: 84,984.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,570.87 : 155,349.03 = 61,582.51 : x
  2. Step 2: Convert to fraction form
    112,570.87/155,349.03 = 61,582.51/x
  3. Step 3: Cross multiply
    112,570.87x = 155,349.03 × 61,582.51
  4. Step 4: Simplify right side
    112,570.87x = 9,566,783,193.47
  5. Step 5: Solve for x
    x = 9,566,783,193.47/112,570.87
  6. Step 6: Final answer
    x = 84,984.54

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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.