Home / 130,946.48-196,429.98-42,202.62

Finding the Fourth Proportional to 130,946.48, 196,429.98 and 42,202.62

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Solution

The fourth proportional to 130,946.48, 196,429.98 and 42,202.62 is: 63,307.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,946.48 : 196,429.98 = 42,202.62 : x
  2. Step 2: Convert to fraction form
    130,946.48/196,429.98 = 42,202.62/x
  3. Step 3: Cross multiply
    130,946.48x = 196,429.98 × 42,202.62
  4. Step 4: Simplify right side
    130,946.48x = 8,289,859,802.55
  5. Step 5: Solve for x
    x = 8,289,859,802.55/130,946.48
  6. Step 6: Final answer
    x = 63,307.24

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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.