Home / 74,160.86-111,111.69-61,760.66

Finding the Fourth Proportional to 74,160.86, 111,111.69 and 61,760.66

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Solution

The fourth proportional to 74,160.86, 111,111.69 and 61,760.66 is: 92,533.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,160.86 : 111,111.69 = 61,760.66 : x
  2. Step 2: Convert to fraction form
    74,160.86/111,111.69 = 61,760.66/x
  3. Step 3: Cross multiply
    74,160.86x = 111,111.69 × 61,760.66
  4. Step 4: Simplify right side
    74,160.86x = 6,862,331,308.12
  5. Step 5: Solve for x
    x = 6,862,331,308.12/74,160.86
  6. Step 6: Final answer
    x = 92,533.06

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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.