Home / 146,302.60-219,421.02-87,155.08

Finding the Fourth Proportional to 146,302.60, 219,421.02 and 87,155.08

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Solution

The fourth proportional to 146,302.60, 219,421.02 and 87,155.08 is: 130,713.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,302.60 : 219,421.02 = 87,155.08 : x
  2. Step 2: Convert to fraction form
    146,302.60/219,421.02 = 87,155.08/x
  3. Step 3: Cross multiply
    146,302.60x = 219,421.02 × 87,155.08
  4. Step 4: Simplify right side
    146,302.60x = 19,123,656,551.78
  5. Step 5: Solve for x
    x = 19,123,656,551.78/146,302.60
  6. Step 6: Final answer
    x = 130,713.03

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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.