Home / 125,236.16-172,800.36-74,226.40

Finding the Fourth Proportional to 125,236.16, 172,800.36 and 74,226.40

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Solution

The fourth proportional to 125,236.16, 172,800.36 and 74,226.40 is: 102,417.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,236.16 : 172,800.36 = 74,226.40 : x
  2. Step 2: Convert to fraction form
    125,236.16/172,800.36 = 74,226.40/x
  3. Step 3: Cross multiply
    125,236.16x = 172,800.36 × 74,226.40
  4. Step 4: Simplify right side
    125,236.16x = 12,826,348,641.50
  5. Step 5: Solve for x
    x = 12,826,348,641.50/125,236.16
  6. Step 6: Final answer
    x = 102,417.29

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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.