Home / 135,446.32-202,345.76-87,672.19

Finding the Fourth Proportional to 135,446.32, 202,345.76 and 87,672.19

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Solution

The fourth proportional to 135,446.32, 202,345.76 and 87,672.19 is: 130,975.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,446.32 : 202,345.76 = 87,672.19 : x
  2. Step 2: Convert to fraction form
    135,446.32/202,345.76 = 87,672.19/x
  3. Step 3: Cross multiply
    135,446.32x = 202,345.76 × 87,672.19
  4. Step 4: Simplify right side
    135,446.32x = 17,740,095,916.41
  5. Step 5: Solve for x
    x = 17,740,095,916.41/135,446.32
  6. Step 6: Final answer
    x = 130,975.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.