Home / 142,319.31-196,491.23-88,683.14

Finding the Fourth Proportional to 142,319.31, 196,491.23 and 88,683.14

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Solution

The fourth proportional to 142,319.31, 196,491.23 and 88,683.14 is: 122,439.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,319.31 : 196,491.23 = 88,683.14 : x
  2. Step 2: Convert to fraction form
    142,319.31/196,491.23 = 88,683.14/x
  3. Step 3: Cross multiply
    142,319.31x = 196,491.23 × 88,683.14
  4. Step 4: Simplify right side
    142,319.31x = 17,425,457,832.99
  5. Step 5: Solve for x
    x = 17,425,457,832.99/142,319.31
  6. Step 6: Final answer
    x = 122,439.17

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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.