Home / 106,877.80-160,316.70-57,111.40

Finding the Fourth Proportional to 106,877.80, 160,316.70 and 57,111.40

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Solution

The fourth proportional to 106,877.80, 160,316.70 and 57,111.40 is: 85,667.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,877.80 : 160,316.70 = 57,111.40 : x
  2. Step 2: Convert to fraction form
    106,877.80/160,316.70 = 57,111.40/x
  3. Step 3: Cross multiply
    106,877.80x = 160,316.70 × 57,111.40
  4. Step 4: Simplify right side
    106,877.80x = 9,155,911,180.38
  5. Step 5: Solve for x
    x = 9,155,911,180.38/106,877.80
  6. Step 6: Final answer
    x = 85,667.10

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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.