Home / 112,877.40-169,316.10-112,099.80

Finding the Fourth Proportional to 112,877.40, 169,316.10 and 112,099.80

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Solution

The fourth proportional to 112,877.40, 169,316.10 and 112,099.80 is: 168,149.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,877.40 : 169,316.10 = 112,099.80 : x
  2. Step 2: Convert to fraction form
    112,877.40/169,316.10 = 112,099.80/x
  3. Step 3: Cross multiply
    112,877.40x = 169,316.10 × 112,099.80
  4. Step 4: Simplify right side
    112,877.40x = 18,980,300,946.78
  5. Step 5: Solve for x
    x = 18,980,300,946.78/112,877.40
  6. Step 6: Final answer
    x = 168,149.70

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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.