Home / 243,070.80-335,302.92-142,449.36

Finding the Fourth Proportional to 243,070.80, 335,302.92 and 142,449.36

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Solution

The fourth proportional to 243,070.80, 335,302.92 and 142,449.36 is: 196,501.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,070.80 : 335,302.92 = 142,449.36 : x
  2. Step 2: Convert to fraction form
    243,070.80/335,302.92 = 142,449.36/x
  3. Step 3: Cross multiply
    243,070.80x = 335,302.92 × 142,449.36
  4. Step 4: Simplify right side
    243,070.80x = 47,763,686,360.13
  5. Step 5: Solve for x
    x = 47,763,686,360.13/243,070.80
  6. Step 6: Final answer
    x = 196,501.13

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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.