Home / 101,461.02-140,008.05-56,137.92

Finding the Fourth Proportional to 101,461.02, 140,008.05 and 56,137.92

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Solution

The fourth proportional to 101,461.02, 140,008.05 and 56,137.92 is: 77,465.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,461.02 : 140,008.05 = 56,137.92 : x
  2. Step 2: Convert to fraction form
    101,461.02/140,008.05 = 56,137.92/x
  3. Step 3: Cross multiply
    101,461.02x = 140,008.05 × 56,137.92
  4. Step 4: Simplify right side
    101,461.02x = 7,859,760,710.26
  5. Step 5: Solve for x
    x = 7,859,760,710.26/101,461.02
  6. Step 6: Final answer
    x = 77,465.82

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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.