Home / 132,384.32-182,674.08-78,670.40

Finding the Fourth Proportional to 132,384.32, 182,674.08 and 78,670.40

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Solution

The fourth proportional to 132,384.32, 182,674.08 and 78,670.40 is: 108,555.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,384.32 : 182,674.08 = 78,670.40 : x
  2. Step 2: Convert to fraction form
    132,384.32/182,674.08 = 78,670.40/x
  3. Step 3: Cross multiply
    132,384.32x = 182,674.08 × 78,670.40
  4. Step 4: Simplify right side
    132,384.32x = 14,371,042,943.23
  5. Step 5: Solve for x
    x = 14,371,042,943.23/132,384.32
  6. Step 6: Final answer
    x = 108,555.48

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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.