Home / 142,571.28-196,714.93-97,343.45

Finding the Fourth Proportional to 142,571.28, 196,714.93 and 97,343.45

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Solution

The fourth proportional to 142,571.28, 196,714.93 and 97,343.45 is: 134,311.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,571.28 : 196,714.93 = 97,343.45 : x
  2. Step 2: Convert to fraction form
    142,571.28/196,714.93 = 97,343.45/x
  3. Step 3: Cross multiply
    142,571.28x = 196,714.93 × 97,343.45
  4. Step 4: Simplify right side
    142,571.28x = 19,148,909,952.71
  5. Step 5: Solve for x
    x = 19,148,909,952.71/142,571.28
  6. Step 6: Final answer
    x = 134,311.13

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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.