Home / 238,178.04-328,697.10-130,746.84

Finding the Fourth Proportional to 238,178.04, 328,697.10 and 130,746.84

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Solution

The fourth proportional to 238,178.04, 328,697.10 and 130,746.84 is: 180,436.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,178.04 : 328,697.10 = 130,746.84 : x
  2. Step 2: Convert to fraction form
    238,178.04/328,697.10 = 130,746.84/x
  3. Step 3: Cross multiply
    238,178.04x = 328,697.10 × 130,746.84
  4. Step 4: Simplify right side
    238,178.04x = 42,976,107,142.16
  5. Step 5: Solve for x
    x = 42,976,107,142.16/238,178.04
  6. Step 6: Final answer
    x = 180,436.90

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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.