Home / 130,030.80-194,916.60-59,787.60

Finding the Fourth Proportional to 130,030.80, 194,916.60 and 59,787.60

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Solution

The fourth proportional to 130,030.80, 194,916.60 and 59,787.60 is: 89,621.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,030.80 : 194,916.60 = 59,787.60 : x
  2. Step 2: Convert to fraction form
    130,030.80/194,916.60 = 59,787.60/x
  3. Step 3: Cross multiply
    130,030.80x = 194,916.60 × 59,787.60
  4. Step 4: Simplify right side
    130,030.80x = 11,653,595,714.16
  5. Step 5: Solve for x
    x = 11,653,595,714.16/130,030.80
  6. Step 6: Final answer
    x = 89,621.81

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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.