Home / 130,973.60-196,330.80-64,359.20

Finding the Fourth Proportional to 130,973.60, 196,330.80 and 64,359.20

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Solution

The fourth proportional to 130,973.60, 196,330.80 and 64,359.20 is: 96,475.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,973.60 : 196,330.80 = 64,359.20 : x
  2. Step 2: Convert to fraction form
    130,973.60/196,330.80 = 64,359.20/x
  3. Step 3: Cross multiply
    130,973.60x = 196,330.80 × 64,359.20
  4. Step 4: Simplify right side
    130,973.60x = 12,635,693,223.36
  5. Step 5: Solve for x
    x = 12,635,693,223.36/130,973.60
  6. Step 6: Final answer
    x = 96,475.12

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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.