Home / 143,225.95-197,569.56-89,417.54

Finding the Fourth Proportional to 143,225.95, 197,569.56 and 89,417.54

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Solution

The fourth proportional to 143,225.95, 197,569.56 and 89,417.54 is: 123,344.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,225.95 : 197,569.56 = 89,417.54 : x
  2. Step 2: Convert to fraction form
    143,225.95/197,569.56 = 89,417.54/x
  3. Step 3: Cross multiply
    143,225.95x = 197,569.56 × 89,417.54
  4. Step 4: Simplify right side
    143,225.95x = 17,666,184,034.08
  5. Step 5: Solve for x
    x = 17,666,184,034.08/143,225.95
  6. Step 6: Final answer
    x = 123,344.86

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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.