Home / 105,701.02-145,867.36-57,953.35

Finding the Fourth Proportional to 105,701.02, 145,867.36 and 57,953.35

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Solution

The fourth proportional to 105,701.02, 145,867.36 and 57,953.35 is: 79,975.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,701.02 : 145,867.36 = 57,953.35 : x
  2. Step 2: Convert to fraction form
    105,701.02/145,867.36 = 57,953.35/x
  3. Step 3: Cross multiply
    105,701.02x = 145,867.36 × 57,953.35
  4. Step 4: Simplify right side
    105,701.02x = 8,453,502,167.66
  5. Step 5: Solve for x
    x = 8,453,502,167.66/105,701.02
  6. Step 6: Final answer
    x = 79,975.60

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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.