Home / 152,013.24-209,779.08-83,102.80

Finding the Fourth Proportional to 152,013.24, 209,779.08 and 83,102.80

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Solution

The fourth proportional to 152,013.24, 209,779.08 and 83,102.80 is: 114,682.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,013.24 : 209,779.08 = 83,102.80 : x
  2. Step 2: Convert to fraction form
    152,013.24/209,779.08 = 83,102.80/x
  3. Step 3: Cross multiply
    152,013.24x = 209,779.08 × 83,102.80
  4. Step 4: Simplify right side
    152,013.24x = 17,433,228,929.42
  5. Step 5: Solve for x
    x = 17,433,228,929.42/152,013.24
  6. Step 6: Final answer
    x = 114,682.31

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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.