Home / 85,110.90-127,666.35-57,117.30

Finding the Fourth Proportional to 85,110.90, 127,666.35 and 57,117.30

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Solution

The fourth proportional to 85,110.90, 127,666.35 and 57,117.30 is: 85,675.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,110.90 : 127,666.35 = 57,117.30 : x
  2. Step 2: Convert to fraction form
    85,110.90/127,666.35 = 57,117.30/x
  3. Step 3: Cross multiply
    85,110.90x = 127,666.35 × 57,117.30
  4. Step 4: Simplify right side
    85,110.90x = 7,291,957,212.86
  5. Step 5: Solve for x
    x = 7,291,957,212.86/85,110.90
  6. Step 6: Final answer
    x = 85,675.95

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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.