Home / 142,154.64-213,232.96-97,646.50

Finding the Fourth Proportional to 142,154.64, 213,232.96 and 97,646.50

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Solution

The fourth proportional to 142,154.64, 213,232.96 and 97,646.50 is: 146,470.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,154.64 : 213,232.96 = 97,646.50 : x
  2. Step 2: Convert to fraction form
    142,154.64/213,232.96 = 97,646.50/x
  3. Step 3: Cross multiply
    142,154.64x = 213,232.96 × 97,646.50
  4. Step 4: Simplify right side
    142,154.64x = 20,821,452,228.64
  5. Step 5: Solve for x
    x = 20,821,452,228.64/142,154.64
  6. Step 6: Final answer
    x = 146,470.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.