Home / 105,734.47-145,913.58-57,988.82

Finding the Fourth Proportional to 105,734.47, 145,913.58 and 57,988.82

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Solution

The fourth proportional to 105,734.47, 145,913.58 and 57,988.82 is: 80,024.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,734.47 : 145,913.58 = 57,988.82 : x
  2. Step 2: Convert to fraction form
    105,734.47/145,913.58 = 57,988.82/x
  3. Step 3: Cross multiply
    105,734.47x = 145,913.58 × 57,988.82
  4. Step 4: Simplify right side
    105,734.47x = 8,461,356,326.18
  5. Step 5: Solve for x
    x = 8,461,356,326.18/105,734.47
  6. Step 6: Final answer
    x = 80,024.58

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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.