Home / 114,878.61-158,509.05-67,122.72

Finding the Fourth Proportional to 114,878.61, 158,509.05 and 67,122.72

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Solution

The fourth proportional to 114,878.61, 158,509.05 and 67,122.72 is: 92,615.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,878.61 : 158,509.05 = 67,122.72 : x
  2. Step 2: Convert to fraction form
    114,878.61/158,509.05 = 67,122.72/x
  3. Step 3: Cross multiply
    114,878.61x = 158,509.05 × 67,122.72
  4. Step 4: Simplify right side
    114,878.61x = 10,639,559,175.02
  5. Step 5: Solve for x
    x = 10,639,559,175.02/114,878.61
  6. Step 6: Final answer
    x = 92,615.66

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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.