Home / 118,411.06-163,399.44-67,429

Finding the Fourth Proportional to 118,411.06, 163,399.44 and 67,429

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Solution

The fourth proportional to 118,411.06, 163,399.44 and 67,429 is: 93,047.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,411.06 : 163,399.44 = 67,429 : x
  2. Step 2: Convert to fraction form
    118,411.06/163,399.44 = 67,429/x
  3. Step 3: Cross multiply
    118,411.06x = 163,399.44 × 67,429
  4. Step 4: Simplify right side
    118,411.06x = 11,017,860,839.76
  5. Step 5: Solve for x
    x = 11,017,860,839.76/118,411.06
  6. Step 6: Final answer
    x = 93,047.57

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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.