Home / 157,016.80-235,491.96-51,810.76

Finding the Fourth Proportional to 157,016.80, 235,491.96 and 51,810.76

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Solution

The fourth proportional to 157,016.80, 235,491.96 and 51,810.76 is: 77,705.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,016.80 : 235,491.96 = 51,810.76 : x
  2. Step 2: Convert to fraction form
    157,016.80/235,491.96 = 51,810.76/x
  3. Step 3: Cross multiply
    157,016.80x = 235,491.96 × 51,810.76
  4. Step 4: Simplify right side
    157,016.80x = 12,201,017,421.49
  5. Step 5: Solve for x
    x = 12,201,017,421.49/157,016.80
  6. Step 6: Final answer
    x = 77,705.17

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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.