Home / 151,901.81-227,995.73-77,075.66

Finding the Fourth Proportional to 151,901.81, 227,995.73 and 77,075.66

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Solution

The fourth proportional to 151,901.81, 227,995.73 and 77,075.66 is: 115,686.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,901.81 : 227,995.73 = 77,075.66 : x
  2. Step 2: Convert to fraction form
    151,901.81/227,995.73 = 77,075.66/x
  3. Step 3: Cross multiply
    151,901.81x = 227,995.73 × 77,075.66
  4. Step 4: Simplify right side
    151,901.81x = 17,572,919,841.57
  5. Step 5: Solve for x
    x = 17,572,919,841.57/151,901.81
  6. Step 6: Final answer
    x = 115,686.05

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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.