Home / 101,736.02-140,397.38-56,415.91

Finding the Fourth Proportional to 101,736.02, 140,397.38 and 56,415.91

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Solution

The fourth proportional to 101,736.02, 140,397.38 and 56,415.91 is: 77,854.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,736.02 : 140,397.38 = 56,415.91 : x
  2. Step 2: Convert to fraction form
    101,736.02/140,397.38 = 56,415.91/x
  3. Step 3: Cross multiply
    101,736.02x = 140,397.38 × 56,415.91
  4. Step 4: Simplify right side
    101,736.02x = 7,920,646,113.39
  5. Step 5: Solve for x
    x = 7,920,646,113.39/101,736.02
  6. Step 6: Final answer
    x = 77,854.89

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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.