Home / 125,870.02-173,755.05-89,997.70

Finding the Fourth Proportional to 125,870.02, 173,755.05 and 89,997.70

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Solution

The fourth proportional to 125,870.02, 173,755.05 and 89,997.70 is: 124,235.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,870.02 : 173,755.05 = 89,997.70 : x
  2. Step 2: Convert to fraction form
    125,870.02/173,755.05 = 89,997.70/x
  3. Step 3: Cross multiply
    125,870.02x = 173,755.05 × 89,997.70
  4. Step 4: Simplify right side
    125,870.02x = 15,637,554,863.39
  5. Step 5: Solve for x
    x = 15,637,554,863.39/125,870.02
  6. Step 6: Final answer
    x = 124,235.74

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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.