Home / 153,719.98-230,614.09-47,118.71

Finding the Fourth Proportional to 153,719.98, 230,614.09 and 47,118.71

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Solution

The fourth proportional to 153,719.98, 230,614.09 and 47,118.71 is: 70,688.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,719.98 : 230,614.09 = 47,118.71 : x
  2. Step 2: Convert to fraction form
    153,719.98/230,614.09 = 47,118.71/x
  3. Step 3: Cross multiply
    153,719.98x = 230,614.09 × 47,118.71
  4. Step 4: Simplify right side
    153,719.98x = 10,866,238,887.36
  5. Step 5: Solve for x
    x = 10,866,238,887.36/153,719.98
  6. Step 6: Final answer
    x = 70,688.53

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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.