Home / 97,455.42-134,465.67-57,167.10

Finding the Fourth Proportional to 97,455.42, 134,465.67 and 57,167.10

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Solution

The fourth proportional to 97,455.42, 134,465.67 and 57,167.10 is: 78,877.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,455.42 : 134,465.67 = 57,167.10 : x
  2. Step 2: Convert to fraction form
    97,455.42/134,465.67 = 57,167.10/x
  3. Step 3: Cross multiply
    97,455.42x = 134,465.67 × 57,167.10
  4. Step 4: Simplify right side
    97,455.42x = 7,687,012,403.46
  5. Step 5: Solve for x
    x = 7,687,012,403.46/97,455.42
  6. Step 6: Final answer
    x = 78,877.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.