Home / 117,437.40-176,106.78-38,508.12

Finding the Fourth Proportional to 117,437.40, 176,106.78 and 38,508.12

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Solution

The fourth proportional to 117,437.40, 176,106.78 and 38,508.12 is: 57,746.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,437.40 : 176,106.78 = 38,508.12 : x
  2. Step 2: Convert to fraction form
    117,437.40/176,106.78 = 38,508.12/x
  3. Step 3: Cross multiply
    117,437.40x = 176,106.78 × 38,508.12
  4. Step 4: Simplify right side
    117,437.40x = 6,781,541,017.05
  5. Step 5: Solve for x
    x = 6,781,541,017.05/117,437.40
  6. Step 6: Final answer
    x = 57,746.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.