Home / 238,104.90-328,574.48-130,676.76

Finding the Fourth Proportional to 238,104.90, 328,574.48 and 130,676.76

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Solution

The fourth proportional to 238,104.90, 328,574.48 and 130,676.76 is: 180,328.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,104.90 : 328,574.48 = 130,676.76 : x
  2. Step 2: Convert to fraction form
    238,104.90/328,574.48 = 130,676.76/x
  3. Step 3: Cross multiply
    238,104.90x = 328,574.48 × 130,676.76
  4. Step 4: Simplify right side
    238,104.90x = 42,937,047,811.70
  5. Step 5: Solve for x
    x = 42,937,047,811.70/238,104.90
  6. Step 6: Final answer
    x = 180,328.28

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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.