Home / 147,639.96-221,445.90-58,869.72

Finding the Fourth Proportional to 147,639.96, 221,445.90 and 58,869.72

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Solution

The fourth proportional to 147,639.96, 221,445.90 and 58,869.72 is: 88,298.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,639.96 : 221,445.90 = 58,869.72 : x
  2. Step 2: Convert to fraction form
    147,639.96/221,445.90 = 58,869.72/x
  3. Step 3: Cross multiply
    147,639.96x = 221,445.90 × 58,869.72
  4. Step 4: Simplify right side
    147,639.96x = 13,036,458,128.15
  5. Step 5: Solve for x
    x = 13,036,458,128.15/147,639.96
  6. Step 6: Final answer
    x = 88,298.98

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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.