Home / 130,970.64-196,483.26-42,233.10

Finding the Fourth Proportional to 130,970.64, 196,483.26 and 42,233.10

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Solution

The fourth proportional to 130,970.64, 196,483.26 and 42,233.10 is: 63,358.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,970.64 : 196,483.26 = 42,233.10 : x
  2. Step 2: Convert to fraction form
    130,970.64/196,483.26 = 42,233.10/x
  3. Step 3: Cross multiply
    130,970.64x = 196,483.26 × 42,233.10
  4. Step 4: Simplify right side
    130,970.64x = 8,298,097,167.91
  5. Step 5: Solve for x
    x = 8,298,097,167.91/130,970.64
  6. Step 6: Final answer
    x = 63,358.45

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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.