Home / 166,779.40-230,155.73-90,298.56

Finding the Fourth Proportional to 166,779.40, 230,155.73 and 90,298.56

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Solution

The fourth proportional to 166,779.40, 230,155.73 and 90,298.56 is: 124,612.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,779.40 : 230,155.73 = 90,298.56 : x
  2. Step 2: Convert to fraction form
    166,779.40/230,155.73 = 90,298.56/x
  3. Step 3: Cross multiply
    166,779.40x = 230,155.73 × 90,298.56
  4. Step 4: Simplify right side
    166,779.40x = 20,782,730,994.75
  5. Step 5: Solve for x
    x = 20,782,730,994.75/166,779.40
  6. Step 6: Final answer
    x = 124,612.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.