Home / 105,597.60-145,727.28-57,851.10

Finding the Fourth Proportional to 105,597.60, 145,727.28 and 57,851.10

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Solution

The fourth proportional to 105,597.60, 145,727.28 and 57,851.10 is: 79,835.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,597.60 : 145,727.28 = 57,851.10 : x
  2. Step 2: Convert to fraction form
    105,597.60/145,727.28 = 57,851.10/x
  3. Step 3: Cross multiply
    105,597.60x = 145,727.28 × 57,851.10
  4. Step 4: Simplify right side
    105,597.60x = 8,430,483,448.01
  5. Step 5: Solve for x
    x = 8,430,483,448.01/105,597.60
  6. Step 6: Final answer
    x = 79,835.94

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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.