Home / 108,877.80-163,316.70-93,325.80

Finding the Fourth Proportional to 108,877.80, 163,316.70 and 93,325.80

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Solution

The fourth proportional to 108,877.80, 163,316.70 and 93,325.80 is: 139,988.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,877.80 : 163,316.70 = 93,325.80 : x
  2. Step 2: Convert to fraction form
    108,877.80/163,316.70 = 93,325.80/x
  3. Step 3: Cross multiply
    108,877.80x = 163,316.70 × 93,325.80
  4. Step 4: Simplify right side
    108,877.80x = 15,241,661,680.86
  5. Step 5: Solve for x
    x = 15,241,661,680.86/108,877.80
  6. Step 6: Final answer
    x = 139,988.70

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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.