Home / 103,095.85-142,275.77-98,371.93

Finding the Fourth Proportional to 103,095.85, 142,275.77 and 98,371.93

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Solution

The fourth proportional to 103,095.85, 142,275.77 and 98,371.93 is: 135,756.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,095.85 : 142,275.77 = 98,371.93 : x
  2. Step 2: Convert to fraction form
    103,095.85/142,275.77 = 98,371.93/x
  3. Step 3: Cross multiply
    103,095.85x = 142,275.77 × 98,371.93
  4. Step 4: Simplify right side
    103,095.85x = 13,995,942,087.14
  5. Step 5: Solve for x
    x = 13,995,942,087.14/103,095.85
  6. Step 6: Final answer
    x = 135,756.60

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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.