Home / 163,398.18-245,167.02-79,220.52

Finding the Fourth Proportional to 163,398.18, 245,167.02 and 79,220.52

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Solution

The fourth proportional to 163,398.18, 245,167.02 and 79,220.52 is: 118,864.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,398.18 : 245,167.02 = 79,220.52 : x
  2. Step 2: Convert to fraction form
    163,398.18/245,167.02 = 79,220.52/x
  3. Step 3: Cross multiply
    163,398.18x = 245,167.02 × 79,220.52
  4. Step 4: Simplify right side
    163,398.18x = 19,422,258,811.25
  5. Step 5: Solve for x
    x = 19,422,258,811.25/163,398.18
  6. Step 6: Final answer
    x = 118,864.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.