Home / 112,188.40-168,396.71-56,068.77

Finding the Fourth Proportional to 112,188.40, 168,396.71 and 56,068.77

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Solution

The fourth proportional to 112,188.40, 168,396.71 and 56,068.77 is: 84,160.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,188.40 : 168,396.71 = 56,068.77 : x
  2. Step 2: Convert to fraction form
    112,188.40/168,396.71 = 56,068.77/x
  3. Step 3: Cross multiply
    112,188.40x = 168,396.71 × 56,068.77
  4. Step 4: Simplify right side
    112,188.40x = 9,441,795,279.42
  5. Step 5: Solve for x
    x = 9,441,795,279.42/112,188.40
  6. Step 6: Final answer
    x = 84,160.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.