Home / 108,852.71-163,125.95-86,567.18

Finding the Fourth Proportional to 108,852.71, 163,125.95 and 86,567.18

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Solution

The fourth proportional to 108,852.71, 163,125.95 and 86,567.18 is: 129,729.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,852.71 : 163,125.95 = 86,567.18 : x
  2. Step 2: Convert to fraction form
    108,852.71/163,125.95 = 86,567.18/x
  3. Step 3: Cross multiply
    108,852.71x = 163,125.95 × 86,567.18
  4. Step 4: Simplify right side
    108,852.71x = 14,121,352,227.86
  5. Step 5: Solve for x
    x = 14,121,352,227.86/108,852.71
  6. Step 6: Final answer
    x = 129,729.00

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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.