Home / 130,007.32-194,678.06-89,970.87

Finding the Fourth Proportional to 130,007.32, 194,678.06 and 89,970.87

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Solution

The fourth proportional to 130,007.32, 194,678.06 and 89,970.87 is: 134,725.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,007.32 : 194,678.06 = 89,970.87 : x
  2. Step 2: Convert to fraction form
    130,007.32/194,678.06 = 89,970.87/x
  3. Step 3: Cross multiply
    130,007.32x = 194,678.06 × 89,970.87
  4. Step 4: Simplify right side
    130,007.32x = 17,515,353,248.22
  5. Step 5: Solve for x
    x = 17,515,353,248.22/130,007.32
  6. Step 6: Final answer
    x = 134,725.90

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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.