Home / 144,973.04-217,207.80-78,458.96

Finding the Fourth Proportional to 144,973.04, 217,207.80 and 78,458.96

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Solution

The fourth proportional to 144,973.04, 217,207.80 and 78,458.96 is: 117,552.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,973.04 : 217,207.80 = 78,458.96 : x
  2. Step 2: Convert to fraction form
    144,973.04/217,207.80 = 78,458.96/x
  3. Step 3: Cross multiply
    144,973.04x = 217,207.80 × 78,458.96
  4. Step 4: Simplify right side
    144,973.04x = 17,041,898,091.89
  5. Step 5: Solve for x
    x = 17,041,898,091.89/144,973.04
  6. Step 6: Final answer
    x = 117,552.19

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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.