Home / 243,281.04-335,729.48-135,852.36

Finding the Fourth Proportional to 243,281.04, 335,729.48 and 135,852.36

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Solution

The fourth proportional to 243,281.04, 335,729.48 and 135,852.36 is: 187,477.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,281.04 : 335,729.48 = 135,852.36 : x
  2. Step 2: Convert to fraction form
    243,281.04/335,729.48 = 135,852.36/x
  3. Step 3: Cross multiply
    243,281.04x = 335,729.48 × 135,852.36
  4. Step 4: Simplify right side
    243,281.04x = 45,609,642,179.57
  5. Step 5: Solve for x
    x = 45,609,642,179.57/243,281.04
  6. Step 6: Final answer
    x = 187,477.18

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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.