Home / 166,337.50-229,547.37-90,886

Finding the Fourth Proportional to 166,337.50, 229,547.37 and 90,886

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Solution

The fourth proportional to 166,337.50, 229,547.37 and 90,886 is: 125,423.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,337.50 : 229,547.37 = 90,886 : x
  2. Step 2: Convert to fraction form
    166,337.50/229,547.37 = 90,886/x
  3. Step 3: Cross multiply
    166,337.50x = 229,547.37 × 90,886
  4. Step 4: Simplify right side
    166,337.50x = 20,862,642,269.82
  5. Step 5: Solve for x
    x = 20,862,642,269.82/166,337.50
  6. Step 6: Final answer
    x = 125,423.57

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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.