Home / 238,106.04-328,585.38-130,677.84

Finding the Fourth Proportional to 238,106.04, 328,585.38 and 130,677.84

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Solution

The fourth proportional to 238,106.04, 328,585.38 and 130,677.84 is: 180,334.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,106.04 : 328,585.38 = 130,677.84 : x
  2. Step 2: Convert to fraction form
    238,106.04/328,585.38 = 130,677.84/x
  3. Step 3: Cross multiply
    238,106.04x = 328,585.38 × 130,677.84
  4. Step 4: Simplify right side
    238,106.04x = 42,938,827,713.98
  5. Step 5: Solve for x
    x = 42,938,827,713.98/238,106.04
  6. Step 6: Final answer
    x = 180,334.89

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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.