Home / 157,701.38-217,602.25-93,161.64

Finding the Fourth Proportional to 157,701.38, 217,602.25 and 93,161.64

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Solution

The fourth proportional to 157,701.38, 217,602.25 and 93,161.64 is: 128,547.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,701.38 : 217,602.25 = 93,161.64 : x
  2. Step 2: Convert to fraction form
    157,701.38/217,602.25 = 93,161.64/x
  3. Step 3: Cross multiply
    157,701.38x = 217,602.25 × 93,161.64
  4. Step 4: Simplify right side
    157,701.38x = 20,272,183,060.79
  5. Step 5: Solve for x
    x = 20,272,183,060.79/157,701.38
  6. Step 6: Final answer
    x = 128,547.91

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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.