Home / 137,114.40-205,595.16-42,317.70

Finding the Fourth Proportional to 137,114.40, 205,595.16 and 42,317.70

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Solution

The fourth proportional to 137,114.40, 205,595.16 and 42,317.70 is: 63,452.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,114.40 : 205,595.16 = 42,317.70 : x
  2. Step 2: Convert to fraction form
    137,114.40/205,595.16 = 42,317.70/x
  3. Step 3: Cross multiply
    137,114.40x = 205,595.16 × 42,317.70
  4. Step 4: Simplify right side
    137,114.40x = 8,700,314,302.33
  5. Step 5: Solve for x
    x = 8,700,314,302.33/137,114.40
  6. Step 6: Final answer
    x = 63,452.96

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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.