Home / 103,097.12-142,267.29-60,647.45

Finding the Fourth Proportional to 103,097.12, 142,267.29 and 60,647.45

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Solution

The fourth proportional to 103,097.12, 142,267.29 and 60,647.45 is: 83,689.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,097.12 : 142,267.29 = 60,647.45 : x
  2. Step 2: Convert to fraction form
    103,097.12/142,267.29 = 60,647.45/x
  3. Step 3: Cross multiply
    103,097.12x = 142,267.29 × 60,647.45
  4. Step 4: Simplify right side
    103,097.12x = 8,628,148,356.91
  5. Step 5: Solve for x
    x = 8,628,148,356.91/103,097.12
  6. Step 6: Final answer
    x = 83,689.52

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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.