Home / 112,547.76-155,309.40-61,550.56

Finding the Fourth Proportional to 112,547.76, 155,309.40 and 61,550.56

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Solution

The fourth proportional to 112,547.76, 155,309.40 and 61,550.56 is: 84,936.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,547.76 : 155,309.40 = 61,550.56 : x
  2. Step 2: Convert to fraction form
    112,547.76/155,309.40 = 61,550.56/x
  3. Step 3: Cross multiply
    112,547.76x = 155,309.40 × 61,550.56
  4. Step 4: Simplify right side
    112,547.76x = 9,559,380,543.26
  5. Step 5: Solve for x
    x = 9,559,380,543.26/112,547.76
  6. Step 6: Final answer
    x = 84,936.21

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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.