Home / 102,007.90-140,770.37-56,068.60

Finding the Fourth Proportional to 102,007.90, 140,770.37 and 56,068.60

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Solution

The fourth proportional to 102,007.90, 140,770.37 and 56,068.60 is: 77,374.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,007.90 : 140,770.37 = 56,068.60 : x
  2. Step 2: Convert to fraction form
    102,007.90/140,770.37 = 56,068.60/x
  3. Step 3: Cross multiply
    102,007.90x = 140,770.37 × 56,068.60
  4. Step 4: Simplify right side
    102,007.90x = 7,892,796,935.11
  5. Step 5: Solve for x
    x = 7,892,796,935.11/102,007.90
  6. Step 6: Final answer
    x = 77,374.37

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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.