Home / 125,116.12-172,657.74-68,527

Finding the Fourth Proportional to 125,116.12, 172,657.74 and 68,527

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Solution

The fourth proportional to 125,116.12, 172,657.74 and 68,527 is: 94,565.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,116.12 : 172,657.74 = 68,527 : x
  2. Step 2: Convert to fraction form
    125,116.12/172,657.74 = 68,527/x
  3. Step 3: Cross multiply
    125,116.12x = 172,657.74 × 68,527
  4. Step 4: Simplify right side
    125,116.12x = 11,831,716,948.98
  5. Step 5: Solve for x
    x = 11,831,716,948.98/125,116.12
  6. Step 6: Final answer
    x = 94,565.89

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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.