Home / 112,037.40-168,056.10-28,931.40

Finding the Fourth Proportional to 112,037.40, 168,056.10 and 28,931.40

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Solution

The fourth proportional to 112,037.40, 168,056.10 and 28,931.40 is: 43,397.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,037.40 : 168,056.10 = 28,931.40 : x
  2. Step 2: Convert to fraction form
    112,037.40/168,056.10 = 28,931.40/x
  3. Step 3: Cross multiply
    112,037.40x = 168,056.10 × 28,931.40
  4. Step 4: Simplify right side
    112,037.40x = 4,862,098,251.54
  5. Step 5: Solve for x
    x = 4,862,098,251.54/112,037.40
  6. Step 6: Final answer
    x = 43,397.10

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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.