Home / 125,999.02-173,878.95-69,411.34

Finding the Fourth Proportional to 125,999.02, 173,878.95 and 69,411.34

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Solution

The fourth proportional to 125,999.02, 173,878.95 and 69,411.34 is: 95,787.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,999.02 : 173,878.95 = 69,411.34 : x
  2. Step 2: Convert to fraction form
    125,999.02/173,878.95 = 69,411.34/x
  3. Step 3: Cross multiply
    125,999.02x = 173,878.95 × 69,411.34
  4. Step 4: Simplify right side
    125,999.02x = 12,069,170,917.29
  5. Step 5: Solve for x
    x = 12,069,170,917.29/125,999.02
  6. Step 6: Final answer
    x = 95,787.82

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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.