Home / 112,037.80-168,056.70-28,931.80

Finding the Fourth Proportional to 112,037.80, 168,056.70 and 28,931.80

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Solution

The fourth proportional to 112,037.80, 168,056.70 and 28,931.80 is: 43,397.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,037.80 : 168,056.70 = 28,931.80 : x
  2. Step 2: Convert to fraction form
    112,037.80/168,056.70 = 28,931.80/x
  3. Step 3: Cross multiply
    112,037.80x = 168,056.70 × 28,931.80
  4. Step 4: Simplify right side
    112,037.80x = 4,862,182,833.06
  5. Step 5: Solve for x
    x = 4,862,182,833.06/112,037.80
  6. Step 6: Final answer
    x = 43,397.70

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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.