Home / 144,762.23-217,055.69-64,785.30

Finding the Fourth Proportional to 144,762.23, 217,055.69 and 64,785.30

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Solution

The fourth proportional to 144,762.23, 217,055.69 and 64,785.30 is: 97,138.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,762.23 : 217,055.69 = 64,785.30 : x
  2. Step 2: Convert to fraction form
    144,762.23/217,055.69 = 64,785.30/x
  3. Step 3: Cross multiply
    144,762.23x = 217,055.69 × 64,785.30
  4. Step 4: Simplify right side
    144,762.23x = 14,062,019,108.04
  5. Step 5: Solve for x
    x = 14,062,019,108.04/144,762.23
  6. Step 6: Final answer
    x = 97,138.73

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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.