Home / 175,684.96-242,479.60-137,368.72

Finding the Fourth Proportional to 175,684.96, 242,479.60 and 137,368.72

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Solution

The fourth proportional to 175,684.96, 242,479.60 and 137,368.72 is: 189,595.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,684.96 : 242,479.60 = 137,368.72 : x
  2. Step 2: Convert to fraction form
    175,684.96/242,479.60 = 137,368.72/x
  3. Step 3: Cross multiply
    175,684.96x = 242,479.60 × 137,368.72
  4. Step 4: Simplify right side
    175,684.96x = 33,309,112,278.11
  5. Step 5: Solve for x
    x = 33,309,112,278.11/175,684.96
  6. Step 6: Final answer
    x = 189,595.70

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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.