Home / 85,655.15-118,193.65-49,368.34

Finding the Fourth Proportional to 85,655.15, 118,193.65 and 49,368.34

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Solution

The fourth proportional to 85,655.15, 118,193.65 and 49,368.34 is: 68,122.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,655.15 : 118,193.65 = 49,368.34 : x
  2. Step 2: Convert to fraction form
    85,655.15/118,193.65 = 49,368.34/x
  3. Step 3: Cross multiply
    85,655.15x = 118,193.65 × 49,368.34
  4. Step 4: Simplify right side
    85,655.15x = 5,835,024,299.04
  5. Step 5: Solve for x
    x = 5,835,024,299.04/85,655.15
  6. Step 6: Final answer
    x = 68,122.28

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1.5x scale

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.