Home / 213,070.35-294,053.67-122,457.93

Finding the Fourth Proportional to 213,070.35, 294,053.67 and 122,457.93

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Solution

The fourth proportional to 213,070.35, 294,053.67 and 122,457.93 is: 169,001.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,070.35 : 294,053.67 = 122,457.93 : x
  2. Step 2: Convert to fraction form
    213,070.35/294,053.67 = 122,457.93/x
  3. Step 3: Cross multiply
    213,070.35x = 294,053.67 × 122,457.93
  4. Step 4: Simplify right side
    213,070.35x = 36,009,203,737.10
  5. Step 5: Solve for x
    x = 36,009,203,737.10/213,070.35
  6. Step 6: Final answer
    x = 169,001.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.