Home / 145,063.40-217,463.87-51,547.28

Finding the Fourth Proportional to 145,063.40, 217,463.87 and 51,547.28

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Solution

The fourth proportional to 145,063.40, 217,463.87 and 51,547.28 is: 77,274.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,063.40 : 217,463.87 = 51,547.28 : x
  2. Step 2: Convert to fraction form
    145,063.40/217,463.87 = 51,547.28/x
  3. Step 3: Cross multiply
    145,063.40x = 217,463.87 × 51,547.28
  4. Step 4: Simplify right side
    145,063.40x = 11,209,669,651.72
  5. Step 5: Solve for x
    x = 11,209,669,651.72/145,063.40
  6. Step 6: Final answer
    x = 77,274.28

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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.