Home / 97,420.84-134,471.37-57,150.88

Finding the Fourth Proportional to 97,420.84, 134,471.37 and 57,150.88

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Solution

The fourth proportional to 97,420.84, 134,471.37 and 57,150.88 is: 78,886.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,420.84 : 134,471.37 = 57,150.88 : x
  2. Step 2: Convert to fraction form
    97,420.84/134,471.37 = 57,150.88/x
  3. Step 3: Cross multiply
    97,420.84x = 134,471.37 × 57,150.88
  4. Step 4: Simplify right side
    97,420.84x = 7,685,157,008.44
  5. Step 5: Solve for x
    x = 7,685,157,008.44/97,420.84
  6. Step 6: Final answer
    x = 78,886.17

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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.