Home / 146,779.02-202,520.34-86,352.30

Finding the Fourth Proportional to 146,779.02, 202,520.34 and 86,352.30

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Solution

The fourth proportional to 146,779.02, 202,520.34 and 86,352.30 is: 119,145.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,779.02 : 202,520.34 = 86,352.30 : x
  2. Step 2: Convert to fraction form
    146,779.02/202,520.34 = 86,352.30/x
  3. Step 3: Cross multiply
    146,779.02x = 202,520.34 × 86,352.30
  4. Step 4: Simplify right side
    146,779.02x = 17,488,097,155.78
  5. Step 5: Solve for x
    x = 17,488,097,155.78/146,779.02
  6. Step 6: Final answer
    x = 119,145.75

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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.