Home / 102,028.02-140,776.80-59,567.28

Finding the Fourth Proportional to 102,028.02, 140,776.80 and 59,567.28

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Solution

The fourth proportional to 102,028.02, 140,776.80 and 59,567.28 is: 82,190.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,028.02 : 140,776.80 = 59,567.28 : x
  2. Step 2: Convert to fraction form
    102,028.02/140,776.80 = 59,567.28/x
  3. Step 3: Cross multiply
    102,028.02x = 140,776.80 × 59,567.28
  4. Step 4: Simplify right side
    102,028.02x = 8,385,691,063.10
  5. Step 5: Solve for x
    x = 8,385,691,063.10/102,028.02
  6. Step 6: Final answer
    x = 82,190.08

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1.5x scale

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.