Home / 101,382.02-139,899.71-56,060.60

Finding the Fourth Proportional to 101,382.02, 139,899.71 and 56,060.60

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Solution

The fourth proportional to 101,382.02, 139,899.71 and 56,060.60 is: 77,359.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,382.02 : 139,899.71 = 56,060.60 : x
  2. Step 2: Convert to fraction form
    101,382.02/139,899.71 = 56,060.60/x
  3. Step 3: Cross multiply
    101,382.02x = 139,899.71 × 56,060.60
  4. Step 4: Simplify right side
    101,382.02x = 7,842,861,402.12
  5. Step 5: Solve for x
    x = 7,842,861,402.12/101,382.02
  6. Step 6: Final answer
    x = 77,359.49

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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.