Home / 119,292.51-164,557.98-75,605.15

Finding the Fourth Proportional to 119,292.51, 164,557.98 and 75,605.15

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Solution

The fourth proportional to 119,292.51, 164,557.98 and 75,605.15 is: 104,293.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,292.51 : 164,557.98 = 75,605.15 : x
  2. Step 2: Convert to fraction form
    119,292.51/164,557.98 = 75,605.15/x
  3. Step 3: Cross multiply
    119,292.51x = 164,557.98 × 75,605.15
  4. Step 4: Simplify right side
    119,292.51x = 12,441,429,938.81
  5. Step 5: Solve for x
    x = 12,441,429,938.81/119,292.51
  6. Step 6: Final answer
    x = 104,293.47

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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.