Home / 131,464.24-181,430.15-74,875.60

Finding the Fourth Proportional to 131,464.24, 181,430.15 and 74,875.60

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Solution

The fourth proportional to 131,464.24, 181,430.15 and 74,875.60 is: 103,333.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,464.24 : 181,430.15 = 74,875.60 : x
  2. Step 2: Convert to fraction form
    131,464.24/181,430.15 = 74,875.60/x
  3. Step 3: Cross multiply
    131,464.24x = 181,430.15 × 74,875.60
  4. Step 4: Simplify right side
    131,464.24x = 13,584,691,339.34
  5. Step 5: Solve for x
    x = 13,584,691,339.34/131,464.24
  6. Step 6: Final answer
    x = 103,333.74

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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.