Home / 108,816.60-163,166.40-38,686.80

Finding the Fourth Proportional to 108,816.60, 163,166.40 and 38,686.80

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Solution

The fourth proportional to 108,816.60, 163,166.40 and 38,686.80 is: 58,009.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,816.60 : 163,166.40 = 38,686.80 : x
  2. Step 2: Convert to fraction form
    108,816.60/163,166.40 = 38,686.80/x
  3. Step 3: Cross multiply
    108,816.60x = 163,166.40 × 38,686.80
  4. Step 4: Simplify right side
    108,816.60x = 6,312,385,883.52
  5. Step 5: Solve for x
    x = 6,312,385,883.52/108,816.60
  6. Step 6: Final answer
    x = 58,009.40

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1.5x scale

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.