Home / 102,046.57-140,825.96-56,108.16

Finding the Fourth Proportional to 102,046.57, 140,825.96 and 56,108.16

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Solution

The fourth proportional to 102,046.57, 140,825.96 and 56,108.16 is: 77,430.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,046.57 : 140,825.96 = 56,108.16 : x
  2. Step 2: Convert to fraction form
    102,046.57/140,825.96 = 56,108.16/x
  3. Step 3: Cross multiply
    102,046.57x = 140,825.96 × 56,108.16
  4. Step 4: Simplify right side
    102,046.57x = 7,901,485,495.83
  5. Step 5: Solve for x
    x = 7,901,485,495.83/102,046.57
  6. Step 6: Final answer
    x = 77,430.19

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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.