Home / 143,423.17-197,969.11-98,083.93

Finding the Fourth Proportional to 143,423.17, 197,969.11 and 98,083.93

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Solution

The fourth proportional to 143,423.17, 197,969.11 and 98,083.93 is: 135,386.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,423.17 : 197,969.11 = 98,083.93 : x
  2. Step 2: Convert to fraction form
    143,423.17/197,969.11 = 98,083.93/x
  3. Step 3: Cross multiply
    143,423.17x = 197,969.11 × 98,083.93
  4. Step 4: Simplify right side
    143,423.17x = 19,417,588,510.18
  5. Step 5: Solve for x
    x = 19,417,588,510.18/143,423.17
  6. Step 6: Final answer
    x = 135,386.69

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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.