Home / 102,560.37-141,533.76-57,237.63

Finding the Fourth Proportional to 102,560.37, 141,533.76 and 57,237.63

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Solution

The fourth proportional to 102,560.37, 141,533.76 and 57,237.63 is: 78,988.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,560.37 : 141,533.76 = 57,237.63 : x
  2. Step 2: Convert to fraction form
    102,560.37/141,533.76 = 57,237.63/x
  3. Step 3: Cross multiply
    102,560.37x = 141,533.76 × 57,237.63
  4. Step 4: Simplify right side
    102,560.37x = 8,101,056,987.39
  5. Step 5: Solve for x
    x = 8,101,056,987.39/102,560.37
  6. Step 6: Final answer
    x = 78,988.18

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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.