Home / 100,758.04-139,030.70-60,463

Finding the Fourth Proportional to 100,758.04, 139,030.70 and 60,463

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Solution

The fourth proportional to 100,758.04, 139,030.70 and 60,463 is: 83,429.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,758.04 : 139,030.70 = 60,463 : x
  2. Step 2: Convert to fraction form
    100,758.04/139,030.70 = 60,463/x
  3. Step 3: Cross multiply
    100,758.04x = 139,030.70 × 60,463
  4. Step 4: Simplify right side
    100,758.04x = 8,406,213,214.10
  5. Step 5: Solve for x
    x = 8,406,213,214.10/100,758.04
  6. Step 6: Final answer
    x = 83,429.70

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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.