Home / 223,045.10-307,802.53-121,070.49

Finding the Fourth Proportional to 223,045.10, 307,802.53 and 121,070.49

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Solution

The fourth proportional to 223,045.10, 307,802.53 and 121,070.49 is: 167,077.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,045.10 : 307,802.53 = 121,070.49 : x
  2. Step 2: Convert to fraction form
    223,045.10/307,802.53 = 121,070.49/x
  3. Step 3: Cross multiply
    223,045.10x = 307,802.53 × 121,070.49
  4. Step 4: Simplify right side
    223,045.10x = 37,265,802,827.66
  5. Step 5: Solve for x
    x = 37,265,802,827.66/223,045.10
  6. Step 6: Final answer
    x = 167,077.44

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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.