Home / 112,330.40-168,495.60-59,712.80

Finding the Fourth Proportional to 112,330.40, 168,495.60 and 59,712.80

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Solution

The fourth proportional to 112,330.40, 168,495.60 and 59,712.80 is: 89,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,330.40 : 168,495.60 = 59,712.80 : x
  2. Step 2: Convert to fraction form
    112,330.40/168,495.60 = 59,712.80/x
  3. Step 3: Cross multiply
    112,330.40x = 168,495.60 × 59,712.80
  4. Step 4: Simplify right side
    112,330.40x = 10,061,344,063.68
  5. Step 5: Solve for x
    x = 10,061,344,063.68/112,330.40
  6. Step 6: Final answer
    x = 89,569.20

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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.