Home / 146,779.64-202,555.91-83,129.74

Finding the Fourth Proportional to 146,779.64, 202,555.91 and 83,129.74

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Solution

The fourth proportional to 146,779.64, 202,555.91 and 83,129.74 is: 114,719.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,779.64 : 202,555.91 = 83,129.74 : x
  2. Step 2: Convert to fraction form
    146,779.64/202,555.91 = 83,129.74/x
  3. Step 3: Cross multiply
    146,779.64x = 202,555.91 × 83,129.74
  4. Step 4: Simplify right side
    146,779.64x = 16,838,420,133.76
  5. Step 5: Solve for x
    x = 16,838,420,133.76/146,779.64
  6. Step 6: Final answer
    x = 114,719.05

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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.