Home / 103,224.04-142,396.64-67,435

Finding the Fourth Proportional to 103,224.04, 142,396.64 and 67,435

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Solution

The fourth proportional to 103,224.04, 142,396.64 and 67,435 is: 93,025.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,224.04 : 142,396.64 = 67,435 : x
  2. Step 2: Convert to fraction form
    103,224.04/142,396.64 = 67,435/x
  3. Step 3: Cross multiply
    103,224.04x = 142,396.64 × 67,435
  4. Step 4: Simplify right side
    103,224.04x = 9,602,517,418.40
  5. Step 5: Solve for x
    x = 9,602,517,418.40/103,224.04
  6. Step 6: Final answer
    x = 93,025.98

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1.5x scale

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.